deps: update googleapis/java-cloud-bom digest to 54c33f0

Author: renovate-bot

.github/workflows/ci.yaml

@@ -327,7 +327,7 @@ jobs:
       run: |
         mvn install -B -ntp -DskipTests -Dclirr.skip -Dcheckstyle.skip
     - name: Validate gapic-generator-java-bom
-      uses: googleapis/java-cloud-bom/tests/validate-bom@f3c611a09b556e81029d5588afe22ca6a15b0cef
+      uses: googleapis/java-cloud-bom/tests/validate-bom@54c33f02fc6dac0fad17925f8a480f990cd94bc1
       with:
         bom-path: gapic-generator-java-bom/pom.xml