fixed publish yaml to work with gcp

Author: MXPOL

.github/workflows/publish.yaml

@@ -39,7 +39,7 @@ jobs:
       - name: Git checkout
         uses: actions/checkout@v2
 
-      # # Build docker image
+      # Build docker image
       - name: Build Docker image
         id: build-image
         run:  docker build -t $IMAGE_NAME .