Support scopes in OAuth2, so Authentication via OAuth2 with Google is now possible.

Thanks to moserben16 !

Closes #2454

CHANGELOG.md

@@ -5,6 +5,8 @@ This release adds the following new features:
 - [Add support for CORS headers "Access-control-allow-headers" and
   "Access-control-expose-headers"](https://github.com/wekan/wekan/pull/2429).
   Thanks to risacher and xet7.
+- [Support scopes in OAuth2, so that Authentication via OAuth2 with Google is now possible](https://github.com/wekan/wekan/pull/2483).
+  Thanks to moserben16.
 
 and fixes the following bugs: