add weekly schedule

add weekly schedule, run every week on sunday at midnight

.github/workflows/scraping.yml

@@ -4,7 +4,8 @@ on:
   workflow_dispatch:
   schedule:
     # Run every 30 minutes
-    - cron: '*/30 * * * *'
+    #- cron: '*/30 * * * *'
+    - cron: '0 0 * * 0'
 
 jobs:
   run-scraper: