Bump the dev-deps group across 1 directory with 3 updates

Updates the requirements on [black](https://github.com/psf/black), [pytest](https://github.com/pytest-dev/pytest) and [coverage](https://github.com/coveragepy/coveragepy) to permit the latest version.

Updates `black` to 25.11.0
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/compare/25.9.0...25.11.0)

Updates `pytest` to 9.0.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/8.4.0.dev0...9.0.1)

Updates `coverage` to 7.11.3
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](https://github.com/coveragepy/coveragepy/compare/7.10.0...7.11.3)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.11.0
  dependency-type: direct:development
  dependency-group: dev-deps
- dependency-name: pytest
  dependency-version: 9.0.1
  dependency-type: direct:development
  dependency-group: dev-deps
- dependency-name: coverage
  dependency-version: 7.11.3
  dependency-type: direct:development
  dependency-group: dev-deps
...

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