Tweak CI with fix from Arsham

.gitlab-ci.yml

@@ -60,7 +60,7 @@ stages:
     - kubernetes-parity-build
 
 dockerize-backend:
-  <<:                     &dockerize
+  <<:                     *dockerize
   script:
     - echo "Building image $BACKEND_IMAGE_FULL_NAME"
     - buildah bud
@@ -71,7 +71,7 @@ dockerize-backend:
     - buildah push --format=v2s2 "$BACKEND_IMAGE_FULL_NAME"
 
 dockerize-frontend:
-  <<:                     &dockerize
+  <<:                     *dockerize
   script:
     - echo "Building image $FRONTEND_IMAGE_FULL_NAME"
     - buildah bud