Update ghcr.yml

Author: yanokwa

.github/workflows/ghcr.yml

@@ -44,5 +44,6 @@ jobs:
         uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
           context: .
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}