fix docker hub tag (#465)

.github/workflows/docker-push-release.yml

@@ -1,5 +1,8 @@
 name: Publish docker image (release)
 
+env:
+  DOCKER_IMAGE: katanemo/archgw
+
 on:
   release:
     types: [published]
@@ -65,7 +68,6 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}-amd64
 
-
   # Combine ARM64 and AMD64 images into a multi-arch manifest
   create-manifest:
     runs-on: ubuntu-latest
@@ -82,6 +84,8 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.DOCKER_IMAGE }}
+          tags: |
+            type=ref,event=tag
 
       - name: Create Multi-Arch Manifest
         run: |