Fix image name

Author: e0ne

.github/workflows/image-push-release.yml

@@ -48,5 +48,5 @@ jobs:
           platforms: linux/amd64,linux/arm64
           push: true
           tags: |
-            ${{ github.event.inputs.version }}
+            ghcr.io/k8snetworkplumbingwg/plugins:${{ github.event.inputs.version }}
           file: ./Dockerfile