Bump the python-packages group with 3 updates

Bumps the python-packages group with 3 updates: [pydantic](https://github.com/pydantic/pydantic), [starlette](https://github.com/Kludex/starlette) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `pydantic` from 2.12.3 to 2.12.5
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.12.3...v2.12.5)

Updates `starlette` from 0.49.1 to 0.49.3
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.49.1...0.49.3)

Updates `mkdocs-material` from 9.6.22 to 9.7.0
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.6.22...9.7.0)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: starlette
  dependency-version: 0.49.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: mkdocs-material
  dependency-version: 9.7.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: python-packages
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]