add aggregation job for all matrix released module tests to define a branch protection rule

.github/workflows/go.yml

@@ -141,3 +141,18 @@ jobs:
       # TODO (#4001): replace specific modules above with this once Windows tests are passing.
       if: ${{ !(matrix.os == 'windows-latest' && (matrix.module == 'api' || matrix.module == 'kustomize')) }}
       working-directory: ./${{ matrix.module }}
+
+  # Aggregation matrix tests from test-modules for branch protection rules
+  test-modules-summary:
+    name: Test Summary
+    runs-on: ubuntu-latest
+    needs: test-modules
+    if: always()
+    steps:
+    - name: Check test results
+      run: |
+        if [[ "${{ needs.test-modules.result }}" != "success" ]]; then
+          echo "Some tests failed or were cancelled"
+          exit 1
+        fi
+        echo "All tests passed successfully"