⬆️ Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [ruff](https://github.com/astral-sh/ruff) and [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `ruff` from 0.15.5 to 0.15.6
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.5...0.15.6)

Updates `mkdocs-material` from 9.7.4 to 9.7.5
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.7.4...9.7.5)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: mkdocs-material
  dependency-version: 9.7.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: actions
...

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Author: dependabot[bot]