fix: re-enable tricks for enabling gradle in ci for the main branch

.github/workflows/github-actions.yml

@@ -166,6 +166,8 @@ jobs:
         run: npm ci
       - name: 'Lint: check'
         run: npm run lint:ci
+      - name: 'TEMP: enable gradle build tool slug'
+        run: sed -i '/- gradle-java/d' src/main/resources/config/application.yml
       - name: 'Build application JAR'
         run: |
           chmod +x mvnw