helm: Conditionally skip CRD management RBAC rule

Remove rule permitting changes to CRDs when garage.kubernetesSkipCrd is  set to true.

script/helm/garage/templates/clusterrole.yaml

@@ -5,9 +5,11 @@ metadata:
   labels:
     {{- include "garage.labels" . | nindent 4 }}
 rules:
+{{- if eq .Values.garage.kubernetesSkipCrd false }}
 - apiGroups: ["apiextensions.k8s.io"]
   resources: ["customresourcedefinitions"]
   verbs: ["get", "list", "watch", "create", "patch"]
+{{ end }}
 - apiGroups: ["deuxfleurs.fr"]
   resources: ["garagenodes"]
   verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
@@ -25,4 +27,4 @@ subjects:
 roleRef:
   kind: ClusterRole
   name: manage-crds-{{ .Release.Namespace }}-{{ .Release.Name }}
-  apiGroup: rbac.authorization.k8s.io
+  apiGroup: rbac.authorization.k8s.io