fix(动画): 调整攻击动画的事件触发时机与参数

- 将 atk01.anim 的攻击事件从第 0.066 帧移至第 0 帧，确保攻击判定与动画起始同步
- 修正 hk1/atk0.anim 的动画名称并添加 onAtkEvent 触发事件
- 调整 atk04.anim 的帧率、时长与关键帧，使动画播放更流畅准确

assets/resources/game/heros/hero/hk1/atk0.anim

@@ -1,7 +1,7 @@
 [
   {
     "__type__": "cc.AnimationClip",
-    "_name": "atk",
+    "_name": "atk0",
     "_objFlags": 0,
     "__editorExtras__": {
       "embeddedPlayerGroups": []
@@ -19,7 +19,18 @@
       }
     ],
     "_exoticAnimation": null,
-    "_events": [],
+    "_events": [
+      {
+        "frame": 0.4,
+        "func": "",
+        "params": []
+      },
+      {
+        "frame": 0.4,
+        "func": "onAtkEvent",
+        "params": []
+      }
+    ],
     "_embeddedPlayers": [],
     "_additiveSettings": {
       "__id__": 6