Update dependency graphql to v2.5.9

Author: renovate[bot]

Gemfile.lock

@@ -138,7 +138,7 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.16.0)
       google-protobuf (>= 3.18, < 5.a)
-    graphql (2.5.8)
+    graphql (2.5.9)
       base64
       fiber-storage
       logger