[BUG] It is always in a horizontal scale state when upgrade

[Shinnosukeys]

Describe the bug
It is always in a horizontal scale state when upgrade

To Reproduce
1.kbcli cluster create mycluster --cluster-definition mysql --set replicas=2 --topology-keys null -n demo
2.kubectl apply -f ops.yaml

3.reslut

Expected behavior
A clear and concise description of what you expected to happen.
My cluster has completed the version upgrade

Screenshots
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Desktop (please complete the following information):
mac
kb 0.9.2
kubernetes 1.20.11

Additional context
Add any other context about the problem here.

[shanshanying]

The ops you wrote incorrect:

spec:
  clusterName: mycluster
  type: Upgrade
  upgrade:
    clusterVersionRef: mysql-8.4.2