KEP-4412: promote wi for image pulls to beta in v1.34

[aramase]

• One-line PR description: Promote KEP-4412 to beta in v1.34

• Issue link: Projected service account tokens for Kubelet image credential providers #4412

• Other comments:
  • Post Alpha work has been moved into beta graduation (making this KEP work with KEP-2535)

/sig auth
/assign enj liggitt

[aramase]

/assign @deads2k
for PRR

[aramase]

@kannon92 @deads2k any other update required for PRR approval?

[deads2k]

@kannon92 @deads2k any other update required for PRR approval?

This thread looks open and important: https://github.com/kubernetes/enhancements/pull/5374/files#r2140017635 . A hashed metric of some kind would also alert cluster-admins if a privileged pod changed the configuration unexpectedly. I'm not sure how we'd know otherwise.

[kannon92]

PRR shadow:

LGTM

/assign @deads2k

[deads2k]

both PRR and sig lgtm.

/approve

/assign @enj
I'll leave the lgtm with @enj to get a second set of eyes.

[enj]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aramase, deads2k, enj

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