XCode 16 support

[paulober]

Description

Please add XCode 16 support. Currently if you build with XCode 16 Beta 4 you get following error:

dlopen(/Applications/Xcode-beta.app/Contents/SharedFrameworks/IDEDistribution.framework/Versions/A/IDEDistribution, 0x0001): Library not loaded: @rpath/AppThinning.framework/Versions/A/AppThinning

  Referenced from: <43B06208-455A-3C6C-A14B-95476F901274> /Applications/Xcode-beta.app/Contents/SharedFrameworks/IDEDistribution.framework/Versions/A/IDEDistribution
  Reason: tried: '/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk/17.2.8078/tools/lib/mlaunch/mlaunch.app/Contents/Frameworks/AppThinning.framework/Versions/A/AppThinning' (no such file), '/Applications/Xcode-beta.app/Contents/SharedFrameworks/IDEDistribution.framework/Versions/A/Frameworks/AppThinning.framework/Versions/A/AppThinning' (no such file), '/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk/17.2.8078/tools/lib/mlaunch/mlaunch.app/Contents/Frameworks/AppThinning.framework/Versions/A/AppThinning' (no such file), '/Applications/Xcode-beta.app/Contents/SharedFrameworks/IDEDistribution.framework/Versions/A/Frameworks/AppThinning.framework/Versions/A/AppThinning' (no such file), '/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk/17.2.8078/tools/lib/mlaunch/mlaunch.app/Contents/MonoBundle/AppThinning.framework/Versions/A/AppThinning' (no such file)

error HE0004: Could not load the framework 'IDEDistribution' (path: /Applications/Xcode-beta.app/Contents/SharedFrameworks/IDEDistribution.framework/Versions/A/IDEDistribution):

Public API Changes

Nothing

Intended Use-Case

MAUI Devs on macOS who want to build on macOS Sequoia without having to install the older XCode 15 which is not supported on macOS 15.

[drasticactions]

That work is being tracked xamarin/xamarin-macios#20802