The GitHub Actions macos-10.15 runner image is now deprecated, and GitHub
Actions has begun to temporarily fail jobs referencing it during brownout
periods. The image will be fully unsupported by 2022-12-01, which is just about
a month away.
This change updates the macOS runner image to the latest generally-available
version, to help reduce spurious CI failures during the brownout periods, and to
stay abreast of the sunsetting of the macos-10.15 image.
See also: actions/runner-images#5583
* Update .travis.yml
* Update .travis.yml
* updage travis.yml
* Make 3.9 support official
* Upgrade mitmproxy for Python 3.9
* Restore the Pylint job
* Undo unintended change to mitmproxy requirement
* Enable Python 3.9 in GitHub Actions
* Work around reppy’s Python version limitation
* Disable tests in Windows / Python 3.9 due to a Twisted bug
Co-authored-by: Adrián Chaves <adrian@chaves.io>