Bump flake8-pyi from 24.6.0 to 24.9.0 (#1933)

Bumps [flake8-pyi](https://github.com/PyCQA/flake8-pyi) from 24.6.0 to 24.9.0.
- [Release notes](https://github.com/PyCQA/flake8-pyi/releases)
- [Changelog](https://github.com/PyCQA/flake8-pyi/blob/main/CHANGELOG.md)
- [Commits](PyCQA/flake8-pyi@24.6.0...24.9.0)

---
updated-dependencies:
- dependency-name: flake8-pyi
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]