Enable both PHP conformance tests on all platforms

.github/workflows/test_php.yml

@@ -176,6 +176,13 @@ jobs:
             composer test;
             composer test_c'
 
+      - name: Run conformance tests
+        uses: protocolbuffers/protobuf-ci/bazel@v3
+        with:
+          credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
+          bazel-cache: php_linux/${{ matrix.version }}
+          bazel: test //php:conformance_test //php:conformance_test_c --action_env=PATH --test_env=PATH
+
   macos:
     strategy:
       fail-fast: false   # Don't cancel all jobs if one fails.
@@ -236,4 +243,4 @@ jobs:
         with:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: php_macos/${{ matrix.version }}
-          bazel: test //php:conformance_test_c --action_env=PATH --test_env=PATH
+          bazel: test //php:conformance_test //php:conformance_test_c --action_env=PATH --test_env=PATH

php/BUILD.bazel

@@ -65,10 +65,6 @@ conformance_test(
     name = "conformance_test",
     failure_list = "//conformance:failure_list_php.txt",
     maximum_edition = "2023",
-    target_compatible_with = select({
-        "@platforms//os:osx": ["@platforms//:incompatible"],
-        "//conditions:default": [],
-    }),
     testee = "//conformance:conformance_php",
     text_format_failure_list = "//conformance:text_format_failure_list_php.txt",
 )
@@ -77,10 +73,6 @@ conformance_test(
     name = "conformance_test_c",
     failure_list = "//conformance:failure_list_php_c.txt",
     maximum_edition = "2023",
-    target_compatible_with = select({
-        "@platforms//os:osx": [],
-        "//conditions:default": ["@platforms//:incompatible"],
-    }),
     testee = "//conformance:conformance_php_c",
     text_format_failure_list = "//conformance:text_format_failure_list_php.txt",
 )