Bump the python-packages group with 2 updates

Bumps the python-packages group with 2 updates: [prek](https://github.com/j178/prek) and [types-pyyaml](https://github.com/typeshed-internal/stub_uploader).


Updates `prek` from 0.2.28 to 0.2.30
- [Release notes](https://github.com/j178/prek/releases)
- [Changelog](https://github.com/j178/prek/blob/master/CHANGELOG.md)
- [Commits](j178/prek@v0.2.28...v0.2.30)

Updates `types-pyyaml` from 6.0.12.12 to 6.0.12.20250915
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: prek
  dependency-version: 0.2.30
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20250915
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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Author: dependabot[bot]