refactor: Actions to Delegates

Engine.Core/Abstract/IGameObject.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Syntriax.Engine.Core.Abstract;
 
 /// <summary>
@@ -10,10 +8,12 @@ public interface IGameObject : IEntity, IAssignableGameManager, IAssignableTrans
     /// <summary>
     /// Event triggered when the <see cref="Update"/> method is called.
     /// </summary>
-    Action<IGameObject>? OnUpdated { get; set; }
+    event OnUpdatedDelegate? OnUpdated;
 
     /// <summary>
     /// Updates the game object.
     /// </summary>
     void Update();
+
+    delegate void OnUpdatedDelegate(IGameObject sender);
 }