fix: allow empty commit

.github/workflows/publish.yml

@@ -36,6 +36,7 @@ jobs:
           pnpm i --no-frozen-lockfile
           git config --global user.email "[email protected]"
           git config --global user.name "action-robot"
+          git diff --quiet --cached || exit 0
           git commit -am 'commit lock file'
       - name: publish
         id: changesets