【perf】限制帧率为30帧；

UpmGitTool/Assets/Scritps/Core/AppRunner.cs

@@ -27,6 +27,8 @@ namespace UpmGitTool
 
         public void Start()
         {
+            Application.targetFrameRate = 30;
+
             AppState.Setting = Setting;
             AppState.Path_FetchJsCmd = FetchPackagePath;
             AppState.Path_WorkingDirectory = WorkingDirectory;