Security
- Update libvcs 0.11.0 -> 0.11.1 to patch [CVE-2022-21187](https://nvd.nist.gov/vuln/detail/CVE-2022-21187): mercurial URL injection
vulnerability with URLs arguments ([libvcs306](https://github.com/vcs-python/libvcs/pull/306))
Development
- Run pyupgrade formatting (353)
- Tests: Move from pytest `tmp_dir` (`py.path.local`) to `tmp_path`
(`pathlib.Path`)
Documentation
- Move to furo theme
- Root: `make start_docs`, `make design_docs`
- docs/: `make start`, `make design`