Update api-versions-reminder.yml

Author: andreaangiolillo

.github/workflows/api-versions-reminder.yml

@@ -3,7 +3,7 @@ name: 'Send a Slack Notification for upcoming release of API versions'
 on:
   workflow_dispatch: # Allow manual triggering
   schedule:
-    - cron: '0 9 * * *' # Run once a day at 09:00 UTC
+    - cron: '0 9 * * 1' # Run at 09:00 UTC every Monday
 
 jobs:
   send-changelog-report: