feat: install compatibility check (#1508)

* feat: install clirr check

* install an independent action

* format changes

* change name

* change action name

.github/workflows/ci-maven.yaml

@@ -151,6 +151,21 @@ jobs:
  # Exclude the root project
  run: mvn -B -ntp fmt:check
 
+ compatibility:
+ runs-on: ubuntu-22.04
+ steps:
+ - uses: actions/checkout@v3
+ - uses: actions/setup-java@v3
+ with:
+ java-version: 11
+ distribution: temurin
+ cache: maven
+ - run: java -version
+ - name: Compatibility check
+ # package jar so that gapic-generator-java module can use
+ # testlib modules of gax
+ run: mvn package clirr:check -DskipTests
+
  showcase:
  runs-on: ubuntu-22.04
  strategy: