securitycontext with non-root user is implemented at pod level
and leveraged the helm-toolkit snippet
Fix for adding allowPrivilegeEscalation flag as a blanket
policy on the pod in the keyston chart
Depends-On: I95264c933b51e2a8e38f63faa1e239bb3c1ebfda
Change-Id: I15333df4707948e50deb935ffc1ee599588e4788