Imageio-ffmpeg

What's Changed
* detect linux-aarch6 correctly for ffmpeg filenames by kamikaz1k in https://github.com/imageio/imageio-ffmpeg/pull/83
* New black by almarklein in https://github.com/imageio/imageio-ffmpeg/pull/85
* Add GH Sponsors Link by FirefoxMetzger in https://github.com/imageio/imageio-ffmpeg/pull/86
* Updated deprecated test approach + minor changes by lbreede in https://github.com/imageio/imageio-ffmpeg/pull/89
* Fix format by almarklein in https://github.com/imageio/imageio-ffmpeg/pull/92
* Enable py311 on ci by almarklein in https://github.com/imageio/imageio-ffmpeg/pull/93
* Check CI pypy by almarklein in https://github.com/imageio/imageio-ffmpeg/pull/95
* Add setuptools dependency by almarklein in https://github.com/imageio/imageio-ffmpeg/pull/94
* correct `fps` parsing by Nunatic02 in https://github.com/imageio/imageio-ffmpeg/pull/84

New Contributors
* kamikaz1k made their first contribution in https://github.com/imageio/imageio-ffmpeg/pull/83
* FirefoxMetzger made their first contribution in https://github.com/imageio/imageio-ffmpeg/pull/86
* lbreede made their first contribution in https://github.com/imageio/imageio-ffmpeg/pull/89
* Nunatic02 made their first contribution in https://github.com/imageio/imageio-ffmpeg/pull/84

**Full Changelog**: https://github.com/imageio/imageio-ffmpeg/compare/v0.4.8...v0.4.9

* Formal support for Python 3.5 -3.10.
* Automatically find available h264 encoders and choose the best.
* Allow users to specify `quality=None`.
* A fix for closing the std stream.

* Set daemon attribute instead of using deprecated setDaemon method.
* Optional disabling of prevent_sigint using env var (60).
* Get rotation metadata (39).

* Support for Aarch64.
* Basic support to include audio when writing videos.

* Support for Python 3.9.
* File object is closes after use just in case.