Archive legacy-cloud-providers when 1.30 goes out of support

[杨朱 · Kiki]

After #124519 and #124767 were merged, this repo won't get any update once release 1.30 becomes unsupported.

Related file: https://github.com/kubernetes/kubernetes/blob/master/staging/publishing/rules.yaml#L2291

/assign @dims @carlory

End of Life: https://kubernetes.io/releases/patch-releases/#support-period

Tasks

Beta Give feedback

1. Redo "remove legacycloudproviders from staging" when kubernetes/publishing-bot#433 is resolved
2. Remove legacycloudproviders staging rule from https://github.com/kubernetes/test-infra/blob/ae2d6ba397a883a3e968aa2a816618607b673c29/config/prow/config.yaml#L431-L435

[Davanum Srinivas]

/transfer kubernetes

[Davanum Srinivas]

xref: #124767

[杨朱 · Kiki]

/sig cloud-provider
/triage accepted