Changed sample target version to latest version (.NET 9)

Author: RavikumarAkuthotaSf4250

ChatApplication/ChatApplication/ChatApplication.csproj

@@ -60,8 +60,8 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Maui.Controls" Version="9.0.21" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.0" />
+		<PackageReference Include="Microsoft.Maui.Controls" Version="*" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="*" />
 		<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
 	</ItemGroup>