chore(ci): update docker image tag

.github/workflows/docker-push.yml

@@ -1,6 +1,6 @@
 # This is a basic workflow to help you get started with Actions
 
-name: CI
+name: Docker image push
 
 # Controls when the action will run. 
 on:
@@ -21,8 +21,11 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - name: Set env
-        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: jinahub/hubble-normalizer
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -41,7 +44,8 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           push: true
-          tags: jinahub/hubble-normalizer:$RELEASE_VERSION,jinahub/hubble-normalizer:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}