Update pre-commit to 4.0.0

[pyup-bot]

This PR updates pre-commit from 3.8.0 to 4.0.0.

Changelog

4.0.0

==================

Features
- Improve `pre-commit migrate-config` to handle more yaml formats.
 - 3301 PR by asottile.
- Handle `stages` deprecation in `pre-commit migrate-config`.
 - 3302 PR by asottile.
 - 2732 issue by asottile.
- Upgrade `ruby-build`.
 - 3199 PR by ThisGuyCodes.
- Add "sensible regex" warnings to `repo: meta`.
 - 3311 PR by asottile.
- Add warnings for deprecated `stages` (`commit` -> `pre-commit`, `push` ->
`pre-push`, `merge-commit` -> `pre-merge-commit`).
 - 3312 PR by asottile.
 - 3313 PR by asottile.
 - 3315 PR by asottile.
 - 2732 issue by asottile.

Migrating
- `language: python_venv` has been removed -- use `language: python` instead.
 - 3320 PR by asottile.
 - 2734 issue by asottile.

Links

• PyPI: https://pypi.org/project/pre-commit
• Changelog: https://data.safetycli.com/changelogs/pre-commit/
• Repo: https://github.com/pre-commit/pre-commit