Bump aeson version

Author: Sasa Bogicevic

yesod-auth-oauth2.cabal

@@ -31,7 +31,7 @@ library
  , http-client >= 0.4.0 && < 0.5
  , http-conduit >= 2.0 && < 3.0
  , http-types >= 0.8 && < 0.10
- , aeson >= 0.6 && < 0.12
+ , aeson >= 0.6 && < 1.1
  , yesod-core >= 1.2 && < 1.5
  , authenticate >= 1.3.2.7 && < 1.4
  , random