chore(examples): run examples cron every 8h (#4176)

Author: korniltsev

.github/workflows/update-examples-cron.yml

@@ -2,7 +2,7 @@ name: Update Examples Cron
 
 on:
   schedule:
-    - cron: '0 * * * *'
+    - cron: '0 */8 * * *'
   workflow_dispatch:
 
 permissions: