Migrating from Preview 9 to 10

csproj

Update the Windows references:

<ItemGroup Condition="$(TargetFramework.Contains('-windows'))">
		<!-- Required - WinUI does not yet have buildTransitive for everything -->
		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.0.0-preview2" />
		<PackageReference Include="Microsoft.Graphics.Win2D" Version="1.0.0.28-preview2" />
	</ItemGroup>