Update docker.yml

Signed-off-by: Zoey <[email protected]>

Author: Zoey2936

.github/workflows/docker.yml

@@ -56,6 +56,7 @@ jobs:
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
+          registry: forgejo.zvcdn.de
           username: ${{ secrets.FORGEJO_USERNAME }}
           password: ${{ secrets.FORGEJO_PASSWORD }}
       - name: version