Apply PercentLiteralDelimiters rubocop rule

app/models/debate.rb

@@ -161,7 +161,7 @@ class Debate < ApplicationRecord
   end
 
   def self.debates_orders(user)
-    orders = %w{hot_score confidence_score created_at relevance}
+    orders = %w[hot_score confidence_score created_at relevance]
     orders << "recommendations" if Setting["feature.user.recommendations_on_debates"] && user&.recommended_debates
     return orders
   end