[BUG]failed to scale gss

[magicsong]

What happened:

"admission webhook "mstatefulset.kb.io" denied the request: json: cannot unmarshal string into Go struct field StatefulSetSpec.spec.reserveOrdinals of type int"

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?: "GameServers default/gss-server already has 3000 replicas, expect to have 0 replicas; With newExplicit: map[]; oldExplicit: map[]; oldImplicit: map[]" Environment:

• Kruise version:
• Kubernetes version (use kubectl version):
• Install details (e.g. helm install args):
• Others: