Move cocoapods tests into our test runner.

This has the consequence of removing the path filter, but allows us to actually use these test results as presubmits.  Since these are relatively cheap tests, this seems like a better situation.  A future enhancement may restore path filters to these and other tests.

PiperOrigin-RevId: 507872208

.github/workflows/objc_cocoapods.yml

@@ -1,40 +0,0 @@
-name: 'ObjC CocoaPods'
-
-on:
-  push:
-    paths:
-    - '.github/workflows/objc_cocoapods.yml'
-    - 'Protobuf.podspec'
-    - 'objectivec/**'
-    - '!objectivec/DevTools/**'
-    - '!objectivec/ProtocolBuffers_*.xcodeproj/**'
-    - '!objectivec/Tests/**'
-  pull_request:
-    paths:
-    - '.github/workflows/objc_cocoapods.yml'
-    - 'Protobuf.podspec'
-    - 'objectivec/**'
-    - '!objectivec/DevTools/**'
-    - '!objectivec/ProtocolBuffers_*.xcodeproj/**'
-    - '!objectivec/Tests/**'
-
-permissions:
-  contents: read  #  to fetch code (actions/checkout)
-
-jobs:
-  pod-lib-lint:
-    runs-on: macos-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        # Add back 'watchos'. See CocoaPods/CocoaPods#11558
-        PLATFORM: ["ios", "macos", "tvos"]
-        CONFIGURATION: ["Debug", "Release"]
-    steps:
-    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
-    - name: Pod lib lint
-      run:  |
-        pod lib lint --verbose \
-          --configuration=${{ matrix.CONFIGURATION }} \
-          --platforms=${{ matrix.PLATFORM }} \
-          Protobuf.podspec

.github/workflows/test_objectivec.yml

@@ -53,3 +53,23 @@ jobs:
       - name: Report ccache stats
         shell: bash
         run: ccache -s -v
+
+  pod-lib-lint:
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Add back 'watchos'. See CocoaPods/CocoaPods#11558
+        PLATFORM: ["ios", "macos", "tvos"]
+        CONFIGURATION: ["Debug", "Release"]
+    steps:
+      - name: Checkout pending changes
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        with:
+          ref: ${{ inputs.safe-checkout }}
+      - name: Pod lib lint
+        run:  |
+          pod lib lint --verbose \
+            --configuration=${{ matrix.CONFIGURATION }} \
+            --platforms=${{ matrix.PLATFORM }} \
+            Protobuf.podspec