chore: pre-commit autoupdate (#212)
chore: pre-commit autoupdate (#212)

updates:
- [github.com/psf/black: 21.8b0 → 21.9b0](https://github.com/psf/black/compare/21.8b0...21.9b0)

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