chore(deps): bump toshimaru/auto-author-assign

Bumps [toshimaru/auto-author-assign](https://github.com/toshimaru/auto-author-assign) from 60a9f1aab8d0254fae9b295420ee36ed324632e1 to 7709f4bd34c4e32c689572005775ae6834ae4a1a.
- [Release notes](https://github.com/toshimaru/auto-author-assign/releases)
- [Changelog](https://github.com/toshimaru/auto-author-assign/blob/main/CHANGELOG.md)
- [Commits](toshimaru/auto-author-assign@60a9f1a...7709f4b)

---
updated-dependencies:
- dependency-name: toshimaru/auto-author-assign
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/auto-assign-author.yml

@@ -6,6 +6,6 @@ jobs:
   assign:
     runs-on: ubuntu-latest
     steps:
-      - uses: toshimaru/auto-author-assign@60a9f1aab8d0254fae9b295420ee36ed324632e1 # (latest, untagged)
+      - uses: toshimaru/auto-author-assign@7709f4bd34c4e32c689572005775ae6834ae4a1a # (latest, untagged)
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}