Bump toshimaru/auto-author-assign from 2.1.1 to 3.0.0 (#9)

Bumps [toshimaru/auto-author-assign](https://github.com/toshimaru/auto-author-assign) from 2.1.1 to 3.0.0.
- [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@v2.1.1...v3.0.0)

---
updated-dependencies:
- dependency-name: toshimaru/auto-author-assign
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

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

@@ -14,4 +14,4 @@ jobs:
   assign-author:
     runs-on: ubuntu-latest
     steps:
-      - uses: toshimaru/auto-author-assign@v2.1.1
+      - uses: toshimaru/auto-author-assign@v3.0.0