Bump mkdocs-material from 8.5.11 to 9.5.39

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 8.5.11 to 9.5.39.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Upgrade guide](https://github.com/squidfunk/mkdocs-material/blob/master/docs/upgrade.md)
- [Commits](squidfunk/mkdocs-material@8.5.11...9.5.39)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -54,7 +54,7 @@ ruff = "^0.6.8"
 [tool.poetry.group.docs.dependencies]
 mkdocs = "^1.4.1"
 mkdocstrings = { extras = ["python"], version = "^0.19.0" }
-mkdocs-material = "^8.5.7"
+mkdocs-material = ">=8.5.7,<10.0.0"
 mkdocs-gen-files = "^0.4.0"
 mkdocs-literate-nav = "^0.5.0"
 mkdocs-section-index = "^0.3.4"