[pre-commit.ci] pre-commit autoupdate
[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v2.15.0 → v2.20.0](https://github.com/asottile/pyupgrade/compare/v2.15.0...v2.20.0)
- [github.com/psf/black: 21.5b1 → 21.6b0](https://github.com/psf/black/compare/21.5b1...21.6b0)
- [github.com/pre-commit/pre-commit-hooks: v3.4.0 → v4.0.1](https://github.com/pre-commit/pre-commit-hooks/compare/v3.4.0...v4.0.1)

pallets/werkzeug,pallets/werkzeug,fkazimierczak/werkzeug,fkazimierczak/werkzeug,mitsuhiko/werkzeug,mitsuhiko/werkzeug,fkazimierczak/werkzeug,pallets/werkzeug