Fix Dataloader#with for JRuby

Author: rmosolgo

lib/graphql/dataloader.rb

@@ -108,7 +108,7 @@ def cleanup_fiber
     # @param batch_parameters [Array<Object>]
     # @return [GraphQL::Dataloader::Source] An instance of {source_class}, initialized with `self, *batch_parameters`,
     #   and cached for the lifetime of this {Multiplex}.
-    if RUBY_VERSION < "3" || RUBY_ENGINE != "ruby" # truffle-ruby wasn't doing well with the implementation below
+    if (RUBY_ENGINE == "ruby" && RUBY_ENGINE < "3") || RUBY_ENGINE == "truffleruby" # truffle-ruby wasn't doing well with the implementation below
       def with(source_class, *batch_args)
         batch_key = source_class.batch_key_for(*batch_args)
         @source_cache[source_class][batch_key] ||= begin