deploy: support rook deployment for v1.8+
deploy: support rook deployment for v1.8+

In Rook v1.8+ the path for the deployment articafts
are changed from `"cluster/examples/kubernetes/ceph`
to `deploy/examples`.

Signed-off-by: Madhu Rajanna <60fbf37a92c2a0908e31296d18dadbec5a4dae17@gmail.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi