feat: update Godot integration and coordinated package dependencies

Runtime/ShrinkEventBusRuntime.cs

@@ -37,7 +37,8 @@ namespace ShrinkEventBus
     }
 
 #if UNITY_5_3_OR_NEWER
-    internal sealed class ShrinkUnityMainThreadDispatcher : MainThreadDispatcherContract
+    internal sealed class ShrinkUnityMainThreadDispatcher : MainThreadDispatcherContract,
+        ShrinkSDK.Runtime.IShrinkDeferredMainThreadDispatcher
     {
         public bool IsMainThread => Cysharp.Threading.Tasks.PlayerLoopHelper.IsMainThread;
 
@@ -50,9 +51,20 @@ namespace ShrinkEventBus
                 action);
             return true;
         }
+
+        public bool TryPostDeferred(Action action)
+        {
+            if (action == null)
+                throw new ArgumentNullException(nameof(action));
+            Cysharp.Threading.Tasks.PlayerLoopHelper.AddContinuation(
+                Cysharp.Threading.Tasks.PlayerLoopTiming.Update,
+                action);
+            return true;
+        }
     }
 #else
-    internal sealed class ShrinkSynchronizationContextDispatcher : MainThreadDispatcherContract
+    internal sealed class ShrinkSynchronizationContextDispatcher : MainThreadDispatcherContract,
+        ShrinkSDK.Runtime.IShrinkDeferredMainThreadDispatcher
     {
         private readonly SynchronizationContext? _context;
         private readonly int _threadId;
@@ -79,6 +91,16 @@ namespace ShrinkEventBus
             _context.Post(static state => ((Action)state!).Invoke(), action);
             return true;
         }
+
+        public bool TryPostDeferred(Action action)
+        {
+            if (action == null)
+                throw new ArgumentNullException(nameof(action));
+            if (_context == null)
+                return false;
+            _context.Post(static state => ((Action)state!).Invoke(), action);
+            return true;
+        }
     }
 #endif
 }