upgrade rook chart and image to 1.16.8

Author: sophiebsw

apps/rook.py

@@ -4,7 +4,7 @@
 name = "rook"
 values = {
     "image": {
-        "tag": "v1.15.9",
+        "tag": "v1.16.8",
     },
     # <https://rook.io/docs/rook/v1.10/CRDs/Cluster/ceph-cluster-crd/?h=stack#network-configuration-settings>
     "network": {

apps/versions.toml

@@ -80,7 +80,7 @@ helm = "https://charts.bitnami.com/bitnami"
 chart = "rabbitmq-cluster-operator"
 
 [rook]
-version = "1.15.9"
+version = "1.16.8"
 helm = "https://charts.rook.io/release"
 chart = "rook-ceph"