upgrade rook-ceph to v1.18.9

argocd/applications.yaml

@@ -429,7 +429,7 @@ spec:
   project: default
   sources:
   - repoURL: https://charts.rook.io/release
-    targetRevision: '1.17.9'
+    targetRevision: '1.18.9'
     chart: rook-ceph
     helm:
       valueFiles:

argocd/rook/rook-ceph-operator-values.yaml

@@ -1,4 +1,4 @@
-# https://github.com/rook/rook/blob/v1.17.9/deploy/charts/rook-ceph/values.yaml
+# https://github.com/rook/rook/blob/v1.18.9/deploy/charts/rook-ceph/values.yaml
 
 csi: