Deps: Bump the python-packages group with 3 updates

Bumps the python-packages group with 3 updates: [mypy](https://github.com/python/mypy), [ruff](https://github.com/astral-sh/ruff) and [starlette](https://github.com/Kludex/starlette).


Updates `mypy` from 1.17.1 to 1.18.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.17.1...v1.18.1)

Updates `ruff` from 0.12.12 to 0.13.0
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.12.12...0.13.0)

Updates `starlette` from 0.47.3 to 0.48.0
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.47.3...0.48.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.18.1
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: ruff
  dependency-version: 0.13.0
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: starlette
  dependency-version: 0.48.0
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]