bump to 2.0.5

CHANGELOG.md

+## 2.0.5
+* Fix:Android分享file文件时，会crash
+
 ## 2.0.4
 * Fix:hdImage为空时，ios会crash
 

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: 2.0.4
+version: 2.0.5
 homepage: https://github.com/JarvanMo/fluwx
 
 environment: