fix repository address

.gitea/workflows/build-image.yml

@@ -14,10 +14,11 @@ jobs:
   build:
     runs-on: cth-ubuntu-latest
     steps:
-      - name: Fetch lfs
+      - name: Git checkout with LFS
+        # see https://gitea.com/gitea/act_runner/issues/164#issuecomment-921571
         run: |
           git init
-          git remote add origin gitea@example.com:org/repo.git
+          git remote add origin git@gitea.champs-libres.be:champs-libres/prez-concepts-chill.git
           git fetch --depth 1 origin ${{ gitea.ref }}
           git checkout FETCH_HEAD
           git lfs pull