fix: update job scheduling interval

- Change job execution frequency from once every hour to every two hours.
- Ensure the `BatchGenerateWeatherArtsJob` runs as intended without unnecessary frequency.

This change addresses performance concerns by reducing the load on the system caused by frequent job executions.

config/schedule.rb

@@ -16,8 +16,8 @@
 # every 4.days do
 #   runner "AnotherModel.prune_old_records"
 # end
-every 1.hour do
-  # runner "BatchGenerateWeatherArtsJob.perform_later"
+every 2.hour do
+  runner "BatchGenerateWeatherArtsJob.perform_later"
 end
 
 # Learn more: http://github.com/javan/whenever