Fix a typo

Author: fwcd

.github/workflows/docker.yml

@@ -34,5 +34,5 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm64/v8
           push: ${{ github.ref == 'refs/heads/main' }}
-          tags: ${{ steps.meta.output.tags }}
-          labels: ${{ steps.meta.output.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}