Fixes#16865
```
➜ test dotnet build -bl:msbuild.binlog
MSBuild version 17.3.2+561848881 for .NET
/usr/local/share/dotnet/sdk/6.0.403/MSBuild.dll -bl:msbuild.binlog -consoleloggerparameters:Summary -distributedlogger:Microsoft.DotNet.Tools.MSBuild.MSBuildLogger,/usr/local/share/dotnet/sdk/6.0.403/dotnet.dll*Microsoft.DotNet.Tools.MSBuild.MSBuildForwardingLogger,/usr/local/share/dotnet/sdk/6.0.403/dotnet.dll -maxcpucount -restore -verbosity:m ./test.csproj
Determining projects to restore...
All projects are up-to-date for restore.
/usr/local/share/dotnet/packs/Microsoft.macOS.Sdk/12.3.471/targets/Xamarin.Shared.Sdk.targets(284,3): error : WinExe is not a valid output type for macOS [/Users/andoni/Downloads/test/test.csproj]
Build FAILED.
/usr/local/share/dotnet/packs/Microsoft.macOS.Sdk/12.3.471/targets/Xamarin.Shared.Sdk.targets(284,3): error : WinExe is not a valid output type for macOS [/Users/andoni/Downloads/test/test.csproj]
0 Warning(s)
1 Error(s)
Time Elapsed 00:00:01.14
```
Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>
Andoni Morales Alastruey