[pre-commit.ci] pre-commit autoupdate (#2190)
[pre-commit.ci] pre-commit autoupdate (#2190)

updates:
- [github.com/asottile/pyupgrade: v2.24.0 → v2.25.0](https://github.com/asottile/pyupgrade/compare/v2.24.0...v2.25.0)
- [github.com/psf/black: 21.7b0 → 21.8b0](https://github.com/psf/black/compare/21.7b0...21.8b0)
- [github.com/asottile/blacken-docs: v1.10.0 → v1.11.0](https://github.com/asottile/blacken-docs/compare/v1.10.0...v1.11.0)

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