correct registry name

Author: youennmereljourdan

.github/workflows/docker.yml

@@ -27,4 +27,4 @@ jobs:
       uses: docker/build-push-action@v2
       with:
         push: true
-        tags: ghcr.io/${{ github.repository }}/fmri-confs-runner:latest
+        tags: ghcr.io/inria-empenn/fmri-confs-runner:latest