GitHub Actions macOS-10.15 image deprecation

[Ryan Schmidt]

On Jun 15, 2022, at 23:24, aeiouaeiouaeiouaeiouaeiouaeiou wrote:
> 
> https://github.com/actions/virtual-environments/issues/5583
> 
> > GitHub Actions is starting the deprecation process for macOS 10.15. While the image is being deprecated, You may experience longer queue times during peak usage hours. Deprecation will begin on 5/31/2022 and the image will be fully unsupported by 8/30/2022
> 
> They also made the Monterey image available to all users, but I cannot test it due to the lack of the necessary CI files (https://github.com/macports/macports-ci-files/releases/tag/v2.7.2).

Josh added the file for Monterey.