make object storage the default storage class

system-apps/rook-ceph/storage/object/rook-ceph-object-storageclass.yaml

@@ -2,6 +2,8 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
    name: rook-ceph-bucket
+   annotations:
+     storageclass.kubernetes.io/is-default-class: "true"
 # Change "rook-ceph" provisioner prefix to match the operator namespace if needed
 provisioner: rook-ceph.ceph.rook.io/bucket
 reclaimPolicy: Delete