Merge pull request #829 from citizensadvice/dependabot/bundler/graphql-2.5.26

Bump graphql from 2.5.9 to 2.5.26

Author: marianayovcheva

Gemfile.lock

@@ -228,7 +228,7 @@ GEM
     fiber-storage (1.0.1)
     globalid (1.3.0)
       activesupport (>= 6.1)
-    graphql (2.5.9)
+    graphql (2.5.26)
       base64
       fiber-storage
       logger