build(helm): update rook-ceph to v1.20.2

Author: renovate-bot

apps/versions.toml

@@ -66,7 +66,7 @@ helm = "https://prometheus-community.github.io/helm-charts"
 chart = "kube-prometheus-stack"
 
 [rook]
-version = "v1.19.5"
+version = "v1.20.2"
 helm = "https://charts.rook.io/release"
 chart = "rook-ceph"