Add generic control plane staging repository

[carlory]

Enhancement Description

• One-line enhancement description (can be used as a release note): Add generic control plane staging repository
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/4080-generic-controlplane
• Discussion Link: KEP-4080: Sig-API-Machinery: Add generic control plane staging repository(ies) #4052
• Primary contact (assignee): @sttts @MikeSpreitzer
• Responsible SIGs: sig-apimachinery,sig-architecture
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y):
  • Beta release target (x.y):
  • Stable release target (x.y):

1.28

• Alpha
  • KEP (k/enhancements) update PR(s): KEP-4080: Sig-API-Machinery: Add generic control plane staging repository(ies) #4052
  • Code (k/k) update PR(s):
    - kube-apiserver/cmd: stratify construction to follow options/config/server pattern kubernetes#118379
    - kube-apiserver: split apart generic control plane options kubernetes#118633
  • Docs (k/website) update PR(s):

1.29

• Alpha
  • [] KEP (k/enhancements) update PR(s):
  • Code (k/k) update PR(s):
    - controlplane/apiserver: don't crash if authz or other options are explicitly disabled in options kubernetes#120908
    - WIP: generic controlplane: split config and server kubernetes#120202
  • Docs (k/website) update PR(s):

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

[carlory]

/sig api-machinery

[carlory]

/sig architecture