CI: no-response: half the frequency

getting "no runner found" errors

.github/workflows/no-response.yml

@@ -6,8 +6,8 @@ on:
   issue_comment:
     types: [created]
   schedule:
-    # Schedule for ten minutes after the hour, every hour
-    - cron: '10 * * * *'
+    # Schedule for ten minutes after the hour, every 2 hours
+    - cron: '10 /2 * * *'
 
 permissions: {}
 jobs: