So that it does not use docker.io The test happens at `.forgejo/workflows/build-release-integration.yml` Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/6573 Reviewed-by: Michael Kriese <michael.kriese@gmx.de> Co-authored-by: Earl Warren <contact@earl-warren.org> Co-committed-by: Earl Warren <contact@earl-warren.org>