add trigger cron every 2 hours

Jenkinsfile

@@ -20,7 +20,8 @@ pipeline {
     agent {
         label 'CD'
         triggers {
-            cron('H */4 * * 1-5')
+       //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')
         }
     }
 
@@ -55,9 +56,9 @@ pipeline {
             steps {
                 sh '''
                    date=`date`
-                   echo "#Build ${PIPELINE_BUILD_NUMBER},," > $ACTION_REPORT
-                   echo "#StartTime ${date},," >> $ACTION_REPORT
-                   echo "Project,Repo,Result" >> $ACTION_REPORT
+                   echo "#Build ${PIPELINE_BUILD_NUMBER},,"
+                   echo "#StartTime ${date},,"
+                   echo "Project,Repo,Result"
                    '''
             }
         }