Bump version and add changelog

Author: ThexXTURBOXx

flutter_web_auth_2/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 5.0.0-alpha.5
+
+- 🌹 Include more error details on iOS (Thanks to [@PawlikMichal25](https://github.com/PawlikMichal25) in [#179](https://github.com/ThexXTURBOXx/flutter_web_auth_2/pull/179), related to [#178](https://github.com/ThexXTURBOXx/flutter_web_auth_2/issues/178))
+
 ## 5.0.0-alpha.4
 
 - 🌹 Update melos to regular `7.x` releases

flutter_web_auth_2/pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_web_auth_2
 description: Flutter plugin for authenticating a user with a web service.
-version: 5.0.0-alpha.4
+version: 5.0.0-alpha.5
 resolution: workspace
 homepage: https://github.com/ThexXTURBOXx/flutter_web_auth_2
 repository: https://github.com/ThexXTURBOXx/flutter_web_auth_2