Breaking changes
* :warning: Drop support for Python 3.6
New features
* Add support for Python 3.10 and 3.11
* Update bundled MediaInfo to [v22.09](https://github.com/MediaArea/MediaInfoLib/releases/v22.09) (Windows and macOS wheels)
* maCOS: bundle the `x86_64+arm64` MediaInfo library for M1 Macs instead of the old `i386+x86_64` one (https://github.com/sbraz/pymediainfo/issues/24#issuecomment-1258248374)
* tests: start a local HTTP server instead of relying on GitHub, this means the test suite can now run without Internet access
Bug fixes
* Fix doc build with recent sphinx versions
Miscellaneous
* CI/CD: drop Travis, move everything to AppVeyor