pip in /. for markdown, mkdocs-material, mkdocstrings-python, frequenz-repo-config[lib], mypy, frequenz-repo-config[extra-lint-examples], pytest-mock - Update #1045334527

pip in /. for markdown, mkdocs-material, mkdocstrings-python, frequenz-repo-config[lib], mypy, frequenz-repo-config[extra-lint-examples], pytest-mock - Update #1045334527 #89