ci: fix dockerfile location

Author: gadomski

.github/workflows/packages.yml

@@ -31,7 +31,7 @@ jobs:
         uses: docker/[email protected]
         with:
           context: .
-          file: docker/Dockerfile
+          file: Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}