chore(deps-dev): bump mkdocs from 1.2.1 to 1.2.2 (#48)

Author: dependabot[bot]

poetry.lock

@@ -29,7 +29,7 @@ black = { version = "^21.7b0", python = "^3.6.2" }
 flake8 = "^3.8.4"
 flake8-annotations = { version = "^2.6.2", python = "^3.6.2" }
 flake8-docstrings = "^1.5.0"
-mkdocs = "^1.1.2"
+mkdocs = "^1.2.2"
 mkdocs-material = "^7.2.0"
 mkdocstrings = "^0.15.1"
 mypy = "^0.910"