refactor: optimize event args handling for performance improvements

lib/trends/conv/Conv.cs

@@ -66,7 +66,7 @@ public sealed class Conv : AbstractBase, IDisposable
         }
     }
 
-    private void Handle(object? sender, TValueEventArgs e) => Update(e.Value, e.IsNew);
+    private void Handle(object? sender, in TValueEventArgs e) => Update(e.Value, e.IsNew);
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private double GetValidValue(double input)