- misc build, test & CI framework updates (29, 28)
+ support Python 3.11, drop Python 3.6
+ suppress misc warnings
+ bump pre-commit (https://github.com/PyCQA/isort/issues/2077)
+ bump CI/GHA workflows
+ replace `.zenodo.json` => `CITATION.cff` & update year
+ rename branch `master` => `main`
+ fix failing tests
+ fix external PRs
+ fix failing releases (https://github.com/softprops/action-gh-release/pull/266#issuecomment-1297136024)
- minor docs updates
+ update contributing instructions
+ fix badges (https://github.com/badges/shields/issues/8671)
- minor code & config tidy/lint