This change updates Rook to the 1.13.3 release. It also increases
the memory limit for ceph-mon pods deployed by Rook to prevent
pod restarts due to liveness probe failures that sometimes result
from probes causing ceph-mon pods to hit their memory limit.
Change-Id: Ib7d28fd866a51cbc5ad0d7320ae2ef4a831276aa
2d15cb4fdf