Migrate to kubebuilder go/v4 plugin

[akyriako]

https://github.com/kubernetes-sigs/kubebuilder/blob/v4.3.0/designs/helper_to_upgrade_projects_by_rescaffolding.md

kubernetes-sigs/kubebuilder#3872
https://github.com/kubernetes-sigs/kubebuilder/blob/v3.10.0/go.mod#L3
https://github.com/kubernetes-sigs/kubebuilder/blob/v4.3.0/go.mod