build(deps-dev): update flake8-pyi requirement from ^20.10.0 to ^22.1.0
build(deps-dev): update flake8-pyi requirement from ^20.10.0 to ^22.1.0

Updates the requirements on [flake8-pyi](https://github.com/ambv/flake8-pyi) to permit the latest version.
- [Release notes](https://github.com/ambv/flake8-pyi/releases)
- [Changelog](https://github.com/PyCQA/flake8-pyi/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/ambv/flake8-pyi/compare/20.10.0...22.1.0)

---
updated-dependencies:
- dependency-name: flake8-pyi
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
jodal/pykka