Update our tests to use a custom checkout action.

This will retry up to 3 times if we hit networks flakes updating our submodules.  It will also allow us to easily inject other stability fixes to this step in the future.

PiperOrigin-RevId: 568306356

.github/workflows/staleness_check.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ github.event.repository.full_name == 'protocolbuffers/protobuf' }}
     steps:
       - name: Checkout ${{ github.head_ref && 'PR' || matrix.branch }}
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout || github.head_ref || matrix.branch }}
 

.github/workflows/test_cpp.yml

@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -60,7 +60,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -80,7 +80,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive
@@ -130,7 +130,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -155,7 +155,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive
@@ -186,7 +186,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -226,7 +226,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive
@@ -257,7 +257,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive
@@ -282,7 +282,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive
@@ -331,7 +331,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -393,7 +393,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
           submodules: recursive

.github/workflows/test_csharp.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -33,7 +33,7 @@ jobs:
     runs-on: windows-2019
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 

.github/workflows/test_java.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run Linkage Monitor test
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout pending changes
-      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+      uses: protocolbuffers/protobuf-ci/checkout@v2
       with:
         ref: ${{ inputs.safe-checkout }}
     - name: Build protoc

.github/workflows/test_objectivec.yml

@@ -34,7 +34,7 @@ jobs:
       DEVELOPER_DIR: /Applications/Xcode_14.1.app/Contents/Developer
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -77,7 +77,7 @@ jobs:
       DEVELOPER_DIR: /Applications/Xcode_14.1.app/Contents/Developer
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Pod lib lint
@@ -118,7 +118,7 @@ jobs:
     runs-on: macos-12
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: bazel ${{ matrix.config.bazel_action }}

.github/workflows/test_php.yml

@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Setup composer
@@ -77,7 +77,7 @@ jobs:
       image: us-docker.pkg.dev/protobuf-build/containers/test/linux/32bit@sha256:8275360dc5d676f3470872d79087901c0e4153453976bea908a92c82e8d209ea
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -156,7 +156,7 @@ jobs:
     runs-on: macos-12
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 

.github/workflows/test_php_ext.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 

.github/workflows/test_python.yml

@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -66,7 +66,7 @@ jobs:
     runs-on: macos-12
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 

.github/workflows/test_ruby.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -128,7 +128,7 @@ jobs:
     runs-on: macos-12
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
 
@@ -166,7 +166,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests

.github/workflows/test_rust.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests

.github/workflows/test_upb.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -67,7 +67,7 @@ jobs:
     runs-on: windows-2019
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -88,7 +88,7 @@ jobs:
     runs-on: macos-12
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -105,7 +105,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Run tests
@@ -126,7 +126,7 @@ jobs:
     if: ${{ github.event_name != 'pull_request_target' }}
     steps:
       - name: Checkout pending changes
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        uses: protocolbuffers/protobuf-ci/checkout@v2
         with:
           ref: ${{ inputs.safe-checkout }}
       - name: Build Wheels