Update docker.yml

Author: kurema

.github/workflows/docker.yml

@@ -44,7 +44,7 @@ jobs:
           if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
             TAGS="$TAGS,${DOCKER_IMAGE}:latest"
           fi
-          echo ::set-output name=tags::${TAGS}:cache
+          echo ::set-output name=tags::${TAGS},${DOCKER_IMAGE}:cache
           echo "::set-output name=latest::${DOCKER_IMAGE}:latest"
           echo "::set-output name=tag_cache::${DOCKER_IMAGE}:cache"