Bump graphql from 2.4.8 to 2.4.13

Bumps [graphql](https://github.com/rmosolgo/graphql-ruby) from 2.4.8 to 2.4.13.
- [Release notes](https://github.com/rmosolgo/graphql-ruby/releases)
- [Changelog](https://github.com/rmosolgo/graphql-ruby/blob/master/CHANGELOG.md)
- [Commits](rmosolgo/graphql-ruby@v2.4.8...v2.4.13)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -287,9 +287,10 @@ GEM
     graphlient (0.8.0)
       faraday (~> 2.0)
       graphql-client
-    graphql (2.4.8)
+    graphql (2.4.13)
       base64
       fiber-storage
+      logger
     graphql-client (0.25.0)
       activesupport (>= 3.0)
       graphql (>= 1.13.0)