Microsoft-hosted Pipelines recently announced macOS-10.15 image deprecation in Azure Pipelines. Accordingly, we want to update App Center customers on the upcoming change in our build image support. If you are building iOS or Xamarin apps using Xcode 12.4 (Except 11.7), Xamarin.iOS 13.20, or Xamarin.Android 11.0 or below versions, you will be...