cron sintax fix

Jenkinsfile

@@ -1,11 +1,12 @@
 pipeline {
     agent {
         label 'CD'
-        triggers {
-         //once in every two hours slot between 9 AM and 5 PM every weekday (perhaps at 10:38 AM, 12:38 PM, 2:38 PM, 4:38 PM)
-             cron('H H(9-16)/2 * * 1-5')
-        }
     }
+    triggers {
+        cron "*/10 * * * *"
+    }
+         //once in every two hours slot between 9 AM and 5 PM every weekday (perhaps at 10:38 AM, 12:38 PM, 2:38 PM, 4:38 PM)
+//             cron('H H(9-16)/2 * * 1-5')
 
     environment {
         AGENT_ROOT_FOLDER = "${agent_root_folder}"