Add windows 32-bit tests and re-enable 2022

PiperOrigin-RevId: 559192056

.github/workflows/test_cpp.yml

@@ -348,16 +348,19 @@ jobs:
               -Dprotobuf_BUILD_SHARED_LIBS=OFF
               -Dprotobuf_BUILD_EXAMPLES=ON
             vsversion: '2019'
-          # TODO(b/285566773) Re-enable this test.
-          # This is broken due to a github runner update.
-          # See https://github.com/actions/runner-images/issues/7662 for more details
-          #- name: Windows CMake 2022
-          #  os: windows-2022
-          #  flags: >-
-          #    -G Ninja -Dprotobuf_WITH_ZLIB=OFF -Dprotobuf_BUILD_CONFORMANCE=OFF
-          #    -Dprotobuf_BUILD_SHARED_LIBS=OFF
-          #    -Dprotobuf_BUILD_EXAMPLES=ON
-          #  vsversion: '2022'
+          - name: Windows CMake 2022
+            os: windows-2022
+            flags: >-
+              -G Ninja -Dprotobuf_WITH_ZLIB=OFF -Dprotobuf_BUILD_CONFORMANCE=OFF
+              -Dprotobuf_BUILD_SHARED_LIBS=OFF
+              -Dprotobuf_BUILD_EXAMPLES=ON
+            vsversion: '2022'
+          - name: Windows CMake 32-bit
+            os: windows-2019
+            flags: >-
+              -G Ninja -Dprotobuf_WITH_ZLIB=OFF -Dprotobuf_BUILD_CONFORMANCE=OFF
+            vsversion: '2019'
+            windows-arch: 'win32'
           - name: Windows CMake Shared
             os: windows-2019
             flags: >-
@@ -386,6 +389,7 @@ jobs:
         with:
           cache-prefix: ${{ matrix.name }}
           vsversion: ${{ matrix.vsversion }}
+          windows-arch: ${{ matrix.windows-arch || 'win64' }}
 
       # Install phase.
       - name: Configure CMake for install