refactor: Renamed Delegate Declarations as EventHandler

Engine.Core/Abstract/IGameObject.cs

@@ -8,12 +8,12 @@ public interface IGameObject : IEntity, IHierarchyObject, IAssignableTransform,
     /// <summary>
     /// Event triggered when the <see cref="Update"/> method is called.
     /// </summary>
-    event OnUpdatedDelegate? OnUpdated;
+    event OnUpdatedEventHandler? OnUpdated;
 
     /// <summary>
     /// Updates the game object.
     /// </summary>
     void Update();
 
-    delegate void OnUpdatedDelegate(IGameObject sender);
+    delegate void OnUpdatedEventHandler(IGameObject sender);
 }