👷 Re-enable translation workflow run by cron in CI (twice a month) (#15145)

* Re-enable translation workflow in CI

* Run translation workflow twice a month

.github/workflows/translate.yml

@@ -1,8 +1,8 @@
 name: Translate
 
 on:
-  # schedule:
-  #   - cron: "0 5 15 * *"  # Run at 05:00 on the 15 of every month
+  schedule:
+    - cron: "0 5 1,15 * *"  # Run at 05:00 on the 1st and 15th of every month
 
   workflow_dispatch:
     inputs: