fix: docker login

Author: PierreJeanjacquot

.github/workflows/sconify.yml

@@ -67,7 +67,7 @@ jobs:
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
-          registry: registry.scontain.com
+          registry: ${{ inputs.docker-registry }}
           username: ${{ secrets.docker-username }}
           password: ${{ secrets.docker-password }}