chore(deps-dev): bump mkdocs-material from 7.3.6 to 8.1.3

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 7.3.6 to 8.1.3.
- [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@7.3.6...8.1.3)

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

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

Author: dependabot[bot]

Diff for: poetry.lock

@@ -50,7 +50,7 @@ radon = "^5.1.0"
 xenon = "^0.8.0"
 flake8-eradicate = "^1.2.0"
 flake8-bugbear = "^21.11.29"
-mkdocs-material = "^7.3.6"
+mkdocs-material = "^8.1.3"
 mkdocs-git-revision-date-plugin = "^0.3.1"
 mike = "^0.6.0"
 mypy = "^0.910"