chore: pre-commit autoupdate (#155)
chore: pre-commit autoupdate (#155)

updates:
- [github.com/psf/black: 21.4b0 → 21.4b2](https://github.com/psf/black/compare/21.4b0...21.4b2)
- [github.com/nbQA-dev/nbQA: 0.7.0 → 0.8.0](https://github.com/nbQA-dev/nbQA/compare/0.7.0...0.8.0)

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