bump to 4.0.0+1

CHANGELOG.md

+# 4.0.0+1
+* Fix iOS compile issue
+
 # 4.0.0
 * 重构Flutter端，现在需要`Fluwx fluwx = Fluwx();`调用fluwx实例
 * 支持取消回传值的监听

pubspec.yaml

 name: fluwx
 description: The capability of implementing WeChat SDKs in Flutter. With Fluwx, developers can use WeChatSDK easily, such as sharing, payment, lanuch mini program and etc.
-version: 4.0.0
+version: 4.0.0+1
 homepage: https://github.com/OpenFlutter/fluwx
 
 environment: