Update dependency Microsoft.WindowsAppSDK to 1.8.260416003 (#188)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Extensions.Hosting.WinUI/Extensions.Hosting.WinUI.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260317003" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260416003" />
   </ItemGroup>
 
   <ItemGroup>