Maintenance: Update dependency graphql to v2.0.24

Gemfile.lock

@@ -229,7 +229,7 @@ GEM
       activesupport (>= 5.0)
     gmail_xoauth (0.4.2)
       oauth (>= 0.3.6)
-    graphql (2.0.23)
+    graphql (2.0.24)
     graphql-batch (0.5.3)
       graphql (>= 1.12.18, < 3)
       promise.rb (~> 0.7.2)