fix: revert to GH token

.github/workflows/docker-publish.yml

@@ -57,7 +57,7 @@ jobs:
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
-          password: ${{ secrets.KAN_PAT }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       # Extract metadata (tags, labels) for Docker
       # https://github.com/docker/metadata-action