Update to graphql 1.13.8 and much more

- Update to graphql 1.13.8
- Override unauthorized_object(unauthorized_error)
- Fix arg handlling in GraphQL::Helpers
- Now some exceptions are being caught much earlier,
  breaking many unit test specs that relied on checking
  for exceptions
- Must override == in the class itself
- GraphQL-Ruby's types used to override def ==(other),
  but it doesn't anymore when using the interpreter
- Procs are no longer supported
- GraphQL::Pagination::Connections is now a default and
  is no longer needed
- Check for object in FindClosest
- Casues a GraphQL::Schema::DuplicateNamesError
- Add new expect_graphql_error_to_be_created