Merge pull request #4 from SyncfusionExamples/Improve-trackball-synchronize-KB

Update the .NET version to latest for trackball synchronize KB in WPF SfChart.

Author: SaiyathAliFathima

Synchronize_Trackball/Synchronize_Trackball.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>