==================
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.