Update update.yml to check every THREE days (from 12 HRS)

Author: nicosalm

.github/workflows/update.yml

@@ -1,7 +1,7 @@
 name: Update Feeds
 on:
   schedule:
-    - cron: '0 */12 * * *'
+    - cron: '0 0 */3 * *'
   workflow_dispatch:
 jobs:
   update: