Set latest to auto

let's docker/metadata to handle this

Author: deniszh

.github/workflows/docker-ghcrio.yml

@@ -16,7 +16,7 @@ jobs:
           images: ghcr.io/${{ github.repository }}
           # create latest tag for branch events
           flavor: |
-            latest=${{ github.event_name == 'push' && github.ref_type == 'branch' }}
+            latest=auto
           tags: |
             type=ref,event=branch
             type=ref,event=pr