Fix some rubocop issues

lib/open_food_network/proxy_order_syncer.rb

@@ -11,7 +11,8 @@ module OpenFoodNetwork
       when ActiveRecord::Relation
         @subscriptions = subscriptions.not_ended.not_canceled
       else
-        raise "ProxyOrderSyncer must be initialized with an instance of Subscription or ActiveRecord::Relation"
+        raise "ProxyOrderSyncer must be initialized with " \
+                "an instance of Subscription or ActiveRecord::Relation"
       end
     end
 
@@ -74,7 +75,9 @@ module OpenFoodNetwork
     end
 
     def in_range_order_cycles
-      order_cycles.where('orders_close_at >= ? AND orders_close_at <= ?', begins_at, ends_at || 100.years.from_now)
+      order_cycles.where("orders_close_at >= ? AND orders_close_at <= ?",
+                         begins_at,
+                         ends_at || 100.years.from_now)
     end
   end
 end