[pre-commit.ci] pre-commit autoupdate (#788)
[pre-commit.ci] pre-commit autoupdate (#788)

updates:
- [github.com/PyCQA/flake8: 4.0.1 → 5.0.2](https://github.com/PyCQA/flake8/compare/4.0.1...5.0.2)

Co-authored-by: pre-commit-ci[bot] <3ea08453efb076ca910552532a53973a6527df40@users.noreply.github.com>
progrium/pyjwt,jpadilla/pyjwt