Update docker-image.yml

add latest

Author: snickerjp

.github/workflows/docker-image.yml

@@ -34,5 +34,5 @@ jobs:
         with:
           context: docker/.
           push: true
-          tags: ${{ steps.meta.outputs.tags }}
+          tags: ${{ steps.meta.outputs.tags }},latest
           labels: ${{ steps.meta.outputs.labels }}