Cleanup and enable gradle cache

.github/workflows/k8s-quarkus-sync.yml

@@ -29,21 +29,15 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-read-only: true   # remove later
 
       - name: assemble
         run: ./gradlew assemble
 
       - name: build container
         run: ./gradlew build -x test -Dquarkus.container-image.build=true
 
-#      - name: Login to GitHub Container Registry
-#        uses: docker/login-action@v2
-#        with:
-#          registry: ghcr.io
-#          username: ${{ github.actor }}
-#          password: ${{ secrets.GITHUB_TOKEN }}
-#          logout: true
-
       - name: push container
         run: |
           ./gradlew build -x test -Dquarkus.container-image.push=true \