build(deps-dev): bump the uv group in /build/docker/test with 2 updates (#4537)

Bumps the uv group in /build/docker/test with 2 updates: [basedpyright](https://github.com/detachhead/basedpyright) and [ruff](https://github.com/astral-sh/ruff).


Updates `basedpyright` from 1.39.8 to 1.39.9
- [Release notes](https://github.com/detachhead/basedpyright/releases)
- [Commits](https://github.com/detachhead/basedpyright/compare/v1.39.8...v1.39.9)

Updates `ruff` from 0.15.18 to 0.15.20
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/ruff/compare/0.15.18...0.15.20)

---
updated-dependencies:
- dependency-name: basedpyright
  dependency-version: 1.39.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: uv
- dependency-name: ruff
  dependency-version: 0.15.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: uv
...

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