Disable linkage-monitor test in anticipation of a breaking (major version) java release: 4.26

PiperOrigin-RevId: 597629358

.github/workflows/test_java.yml

@@ -51,24 +51,25 @@ jobs:
           bazel-cache: java_linux/${{ matrix.version }}
           bazel: test ${{ matrix.targets }} --test_env=KOKORO_JAVA_VERSION
 
-  linkage-monitor:
-    name: Linux Linkage Monitor
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout pending changes
-        uses: protocolbuffers/protobuf-ci/checkout@v2
-        with:
-          ref: ${{ inputs.safe-checkout }}
-      - name: Run Linkage Monitor test
-        uses: protocolbuffers/protobuf-ci/bazel-docker@v2
-        with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:8-1fdbb997433cb22c1e49ef75ad374a8d6bb88702
-          credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
-          bazel-cache: java_linux/8
-          # TODO: b/318555165 - enable the layering check. Currently it does
-          # not work correctly with the toolchain in this Docker image.
-          bazel: test --test_output=all //java:linkage_monitor --spawn_strategy=standalone --features=-layering_check
-
+# TODO restore this test (or a better one) when gRPC has rebuilt with 26.x
+  # linkage-monitor:
+  #   name: Linux Linkage Monitor
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout pending changes
+  #       uses: protocolbuffers/protobuf-ci/checkout@v2
+  #       with:
+  #         ref: ${{ inputs.safe-checkout }}
+  #     - name: Run Linkage Monitor test
+  #       uses: protocolbuffers/protobuf-ci/bazel-docker@v2
+  #       with:
+  #         image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:8-1fdbb997433cb22c1e49ef75ad374a8d6bb88702
+  #         credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
+  #         bazel-cache: java_linux/8
+  #         # TODO: b/318555165 - enable the layering check. Currently it does
+  #         # not work correctly with the toolchain in this Docker image.
+  #         bazel: test --test_output=all //java:linkage_monitor --spawn_strategy=standalone --features=-layering_check
+  
   protobuf-bom:
     name: Protobuf Maven BOM
     runs-on: ubuntu-latest