Update dependency graphql-batch to v0.5.3

Author: renovate[bot]

Gemfile.lock

@@ -138,8 +138,8 @@ GEM
       railties
       sprockets-rails
     graphql (2.0.24)
-    graphql-batch (0.5.2)
-      graphql (>= 1.10, < 3)
+    graphql-batch (0.5.3)
+      graphql (>= 1.12.18, < 3)
       promise.rb (~> 0.7.2)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)