Support sibling Docker daemons in Gitea package builds

.gitea/workflows/debian.yml

@@ -22,9 +22,7 @@ jobs:
           set -euo pipefail
           for script in packaging/*.sh packaging/overlays/v1/*.sh; do bash -n "$script"; done
           mkdir -p "$RUNNER_TEMP/debs"
-          bash packaging/run.sh "$RUNNER_TEMP/debs"
-          docker run --rm --mount "type=bind,src=$PWD/packaging,dst=/checks/packaging,readonly" \
-            -w /checks g15-packaging shellcheck packaging/*.sh packaging/overlays/v1/*.sh
+          bash packaging/ci.sh "$RUNNER_TEMP/debs"
           test -z "$(git submodule foreach --quiet --recursive 'git status --porcelain')"
       - name: Upload verified binaries and standalone sources
         uses: https://github.com/actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3 (Gitea artifact protocol)