Update queued workflow cron job to run every hour

Author: obasekiosa

src/main/resources/application.properties

@@ -51,5 +51,5 @@ sparql.endpoint = http://localhost:3030/cwlviewer/
 #=======================
 # Scheduler settings
 #=======================
-cron.deleteOldQueuedWorkflows = */10 * * * * ?
+cron.deleteOldQueuedWorkflows = 0 0 * * * ?
 queuedWorkflowAgeLimitHours = 24