Migrate ServerStatusRequest from kubebuilder v2 to v3

[blackpiglet]

Describe the problem/challenge you have As an item of epic https://github.com/vmware-tanzu/velero/issues/4307, need to migrate ServerStatusRequest from kubebuilder v2 to v3.

Describe the solution you'd like Velero is going to use kubebuilder v3 to generate operator code in v1.8, so migrating ServerStatusRequest that bases on kubebuilder v2 first.

Anything else you would like to add: none

Environment:

• Velero version (use velero version): v1.8
• Kubernetes version (use kubectl version): v1.21
• Kubernetes installer & version: kind
• Cloud provider or hardware configuration: none
• OS (e.g. from /etc/os-release): MacOS

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[blackpiglet]

Fixed by PR #4382. Close issue.