Bump the dev-dependencies group with 3 updates

Bumps the dev-dependencies group with 3 updates: [pytest](https://github.com/pytest-dev/pytest), [coverage](https://github.com/coveragepy/coveragepy) and [ruff](https://github.com/astral-sh/ruff).


Updates `pytest` from 8.4.2 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](pytest-dev/pytest@8.4.2...9.0.1)

Updates `coverage` from 7.11.0 to 7.12.0
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.11.0...7.12.0)

Updates `ruff` from 0.14.3 to 0.14.7
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.3...0.14.7)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
- dependency-name: coverage
  dependency-version: 7.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: ruff
  dependency-version: 0.14.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]