Bump graphql from 1.9.9 to 2.2.5

Bumps [graphql](https://github.com/rmosolgo/graphql-ruby) from 1.9.9 to 2.2.5.
- [Release notes](https://github.com/rmosolgo/graphql-ruby/releases)
- [Changelog](https://github.com/rmosolgo/graphql-ruby/blob/master/CHANGELOG.md)
- [Commits](rmosolgo/graphql-ruby@v1.9.9...v2.2.5)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -126,7 +126,8 @@ GEM
     graphiql-rails (1.5.0)
       railties
       sprockets-rails
-    graphql (1.9.9)
+    graphql (2.2.5)
+      racc (~> 1.4)
     hashdiff (1.0.1)
     hashie (5.0.0)
     http-accept (1.7.0)