feat: add cross-engine runtime support

ShrinkCommandEventBusBridge.cs

@@ -32,7 +32,9 @@ namespace ShrinkCommand.Integration
         private static readonly Dictionary<ShrinkCommandService, ServiceRegistration> RegisteredByService = new();
         private static IDisposable? _requestHandlerBinding;
 
+#if UNITY_5_3_OR_NEWER
         [UnityEngine.RuntimeInitializeOnLoadMethod(UnityEngine.RuntimeInitializeLoadType.SubsystemRegistration)]
+#endif
         private static void ResetStaticState()
         {
             lock (SyncRoot)

package.json

@@ -1,13 +1,13 @@
 {
   "name": "com.cneicy.shrink-command-integration-eventbus",
-  "version": "0.1.2",
+  "version": "0.2.0",
   "displayName": "ShrinkCommand - EventBus Integration",
   "description": "ShrinkCommand 与 ShrinkEventBus 的桥接层，支持事件请求执行命令，以及命令执行生命周期事件发布。",
   "unity": "2022.3",
   "dependencies": {
-    "com.cneicy.shrink-command": "0.2.0",
-    "com.cneicy.shrink-context-core": "0.1.0",
-    "com.cneicy.shrink-eventbus": "2.0.1"
+    "com.cneicy.shrink-command": "0.3.0",
+    "com.cneicy.shrink-context-core": "0.2.0",
+    "com.cneicy.shrink-eventbus": "2.1.0"
   },
   "keywords": [
     "command",