build(deps-dev): bump mkdocs-material from 8.5.11 to 9.1.5 (#1039)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 8.5.11 to 9.1.5.
- [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](https://github.com/squidfunk/mkdocs-material/compare/8.5.11...9.1.5)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -102,7 +102,7 @@ types-toml = "^0.10.8"
 
 # Documantation
 mkdocs = "^1.4.2"
-mkdocs-material = ">=8.1.2,<8.6"
+mkdocs-material = ">=8.1.2,<9.2"
 mkdocs-material-extensions = "^1.1"
 mkdocstrings = {version = "==0.21.1", extras = ["python"]}
 mkdocs-gen-files = "^0.4.0"