- Update to ghc-8.8 / lts-16.0
- Update to hoauth2 >= 1.11.0
- authGetBS has pre-encoded errors a v1.9
- oauthClientSecret is Maybe at v1.11
- Tweak non-default Resolvers as required
In version 2, Stack creates this file and it should be checked into
version control to ensure consistent builds across the team, just like a
yarn.lock or Gemfile.lock.