📖 use k8s-staging-ci-images vs kubernetes-ci-images

[spiffxp]

What this PR does / why we need it:

Document that the default CI images are pulled from gcr.io/k8s-staging-ci-images, not gcr.io/kubernetes-ci-images

This was changed via https://github.com/kubernetes/kubernetes/pull/97087 which landed 2021-01-14

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): n/a

Related:

• This is part of https://github.com/kubernetes/k8s.io/issues/2318
• More specifically https://github.com/kubernetes/k8s.io/issues/1460

[spiffxp]

/cc @detiber @vincepri

[neolit123]

i think this repository is stale and the code now lives under a k-sigs/cluster-api folder. @vincepri @fabriziopandini is time to archive this repository?

[vincepri]

Yes it can be archived.

[neolit123]

@vincepri i will log an issue in k-sigs/cluster api as there are number of action items here, including test-infra cleanup. EDIT: https://github.com/kubernetes-sigs/cluster-api/issues/5037

@spiffxp i think we can merge this to omit it from the org search (e.g. https://cs.k8s.io/). /lgtm /approve

[neolit123]

i cannot merge it because i'm not in owners. /assign @vincepri

[vincepri]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: neolit123, spiffxp, vincepri

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