Update dependency WinUIEx to 2.4.2

Author: renovate[bot]

src/HyPlayer.App/App.csproj

@@ -64,7 +64,7 @@
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="2.0.9" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="WinUIEx" Version="2.3.4" />
+    <PackageReference Include="WinUIEx" Version="2.4.2" />
     <Manifest Include="$(ApplicationManifest)" />
   </ItemGroup>