TEngine全面更新，升级YooAsset2.1.1、UniTask、UIWindow、I2Localization

TEngine全面更新，升级YooAsset2.1.1、UniTask、UIWindow、I2Localization

UnityProject/Packages/YooAsset/Runtime/ResourceManager/Provider/CompletedProvider.cs

@@ -0,0 +1,25 @@
+
+namespace YooAsset
+{
+    internal sealed class CompletedProvider : ProviderBase
+    {
+        public CompletedProvider(AssetInfo assetInfo) : base(null, string.Empty, assetInfo)
+        {
+        }
+
+        internal override void InternalOnStart()
+        {
+        }
+        internal override void InternalOnUpdate()
+        {
+        }
+
+        public void SetCompleted(string error)
+        {
+            if (_steps == ESteps.None)
+            {
+                InvokeCompletion(error, EOperationStatus.Failed);
+            }
+        }
+    }
+}