fix(backend): add default value for CRON_SCHEDULE_TIMEZONE (#4977)
fix(backend): add default value for CRON_SCHEDULE_TIMEZONE (#4977)

* fixed config so the paramter is avilabel for gcp market place as well

* wrong value
kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines