build(deps-dev): Bump the development-dependencies group across 1 directory with 2 updates

Bumps the development-dependencies group with 2 updates in the / directory: [black](https://github.com/psf/black) and [pyright](https://github.com/RobertCraigie/pyright-python).


Updates `black` from 25.1.0 to 25.9.0
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.1.0...25.9.0)

Updates `pyright` from 1.1.405 to 1.1.406
- [Release notes](https://github.com/RobertCraigie/pyright-python/releases)
- [Commits](RobertCraigie/pyright-python@v1.1.405...v1.1.406)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.9.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: pyright
  dependency-version: 1.1.406
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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

Author: dependabot[bot]