Bump takanome-dev/assign-issue-action from 2.2 to 2.3 (#10606)

Bumps [takanome-dev/assign-issue-action](https://github.com/takanome-dev/assign-issue-action) from 2.2 to 2.3.
- [Release notes](https://github.com/takanome-dev/assign-issue-action/releases)
- [Commits](https://github.com/takanome-dev/assign-issue-action/compare/v2.2...v2.3)

---
updated-dependencies:
- dependency-name: takanome-dev/assign-issue-action
  dependency-version: '2.3'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/assign.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Assign the user or unassign stale assignments
-        uses: takanome-dev/assign-issue-action@v2.2
+        uses: takanome-dev/assign-issue-action@v2.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           maintainers: 'noisyfox,softfever'