chore(deps): update dependency microsoft.windowsappsdk to 2.4.0

Author: renovate[bot]

src/Directory.Packages.props

@@ -153,7 +153,7 @@
   </ItemGroup>
 
   <ItemGroup Label="Platform - WinUI (non-MAUI only)" Condition="'$(UseMaui)' != 'true'">
-    <PackageVersion Include="Microsoft.WindowsAppSDK" Version="2.3.1"/>
+    <PackageVersion Include="Microsoft.WindowsAppSDK" Version="2.4.0"/>
   </ItemGroup>
 
   <ItemGroup Label="Polyfills - net4 (System.ValueTuple)" Condition="$(TargetFramework.StartsWith('net4'))">