chore[github]: only push on release

Author: sk33z3r

.github/workflows/image-push-main.yml

@@ -2,8 +2,6 @@ name: Docker Registry CI
 
 on:
   push:
-    branches: [ "main" ]
-    # Publish semver tags as releases.
     tags: [ 'v*.*.*' ]
 
 env:
@@ -27,4 +25,4 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           push: true
-          tags: sk33z3r/loopygen:${{ env.HUB_TAG }}
+          tags: sk33z3r/loopygen:${{ env.HUB_TAG }}, sk33z3r/loopygen:latest