chore: upgrade mkdocs-material to 8.x

Author: heitorlessa

poetry.lock

@@ -50,10 +50,10 @@ radon = "^5.1.0"
 xenon = "^0.8.0"
 flake8-eradicate = "^1.2.0"
 flake8-bugbear = "^22.1.11"
-mkdocs-material = "^7.3.6"
 mkdocs-git-revision-date-plugin = "^0.3.1"
 mike = "^0.6.0"
 mypy = "^0.931"
+mkdocs-material = "^8.1.9"
 
 
 [tool.poetry.extras]