Add [StackTraceHidden] to Guard.ThrowHelper type

Author: Sergio0694

CommunityToolkit.Diagnostics/Internals/Guard.ThrowHelper.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
+using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 
 namespace CommunityToolkit.Diagnostics;
@@ -15,6 +16,7 @@ public static partial class Guard
     /// <summary>
     /// Helper methods to efficiently throw exceptions.
     /// </summary>
+    [StackTraceHidden]
     private static partial class ThrowHelper
     {
         /// <summary>