Bump version and add changelog

Author: ThexXTURBOXx

flutter_web_auth_2/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 5.0.0-alpha.7
+
+- 🌹 Update Android intricacies
+- 🐛 Revert to `CustomTabsIntent` when needed (Thanks to [@StevenSorial](https://github.com/StevenSorial) in [#181](https://github.com/ThexXTURBOXx/flutter_web_auth_2/pull/181))
+
 ## 5.0.0-alpha.6
 
 - 🌹 Fix ephemeral web views on Android; re-introduces `preferEphemeral` on Android for more iOS/Android parity (Thanks to [@ApofisXII](https://github.com/ApofisXII) in [#180](https://github.com/ThexXTURBOXx/flutter_web_auth_2/pull/180), related to [#169](https://github.com/ThexXTURBOXx/flutter_web_auth_2/issues/169))

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.6
+version: 5.0.0-alpha.7
 resolution: workspace
 homepage: https://github.com/ThexXTURBOXx/flutter_web_auth_2
 repository: https://github.com/ThexXTURBOXx/flutter_web_auth_2