Switch from pre-commit to prek

[adamtheturtle]

Replace pre-commit with prek for running hooks.

---

Note

Switches hook runner from pre-commit to prek.

• CI: lint.yml now runs uv run --extra=dev prek run for pre-commit, pre-push, and manual stages
• Docs: contributing.rst updated to use prek install and prek run commands
• Dev deps: swap pre-commit for prek in pyproject.toml
• Config: .pre-commit-config.yaml default_install_hook_types now [pre-commit, pre-push] (drops commit-msg)

^{Written by Cursor Bugbot for commit 71853ca. This will update automatically on new commits. Configure here.}