Switch openshift/kubernetes to golang 1.21

[soltysh]

This is to make openshift/kubernetes#1845 working.

/assign @sairameshv

/hold
for testing

[soltysh]

/pj-rehearse pull-ci-openshift-kubernetes-master-e2e-aws

[sairameshv]

/lgtm

[openshift-ci-robot]

[REHEARSALNOTIFIER]
@soltysh: the pj-rehearse plugin accommodates running rehearsal tests for the changes in this PR. Expand 'Interacting with pj-rehearse' for usage details. The following rehearsable tests have been affected by this change:

Test name	Repo	Type	Reason
pull-ci-openshift-kubernetes-master-artifacts	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-configmap-scale	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-agnostic-ovn-cmd	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-crun-wasm	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-csi	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-disruptive	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-jenkins	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-multitenant	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-cgroupsv2	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-crun	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-downgrade	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-fips	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-serial	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-ovn-upgrade	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-aws-single-node	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-azure	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-azure-ovn-upgrade	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-gcp	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-gcp-ovn-upgrade	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-metal-ipi	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-metal-ipi-ovn-dualstack	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-metal-ipi-ovn-ipv6	openshift/kubernetes	presubmit	Ci-operator config changed
pull-ci-openshift-kubernetes-master-e2e-openstack	openshift/kubernetes	presubmit	Ci-operator config changed

A total of 40 jobs have been affected by this change. The above listing is non-exhaustive and limited to 25 jobs.

A full list of affected jobs can be found here

Interacting with pj-rehearse

Comment: /pj-rehearse to run up to 5 rehearsals
Comment: /pj-rehearse skip to opt-out of rehearsals
Comment: /pj-rehearse {test-name}, with each test separated by a space, to run one or more specific rehearsals
Comment: /pj-rehearse more to run up to 10 rehearsals
Comment: /pj-rehearse max to run up to 25 rehearsals
Comment: /pj-rehearse auto-ack to run up to 5 rehearsals, and add the rehearsals-ack label on success
Comment: /pj-rehearse abort to abort all active rehearsals

Once you are satisfied with the results of the rehearsals, comment: /pj-rehearse ack to unblock merge. When the rehearsals-ack label is present on your PR, merge will no longer be blocked by rehearsals.
If you would like the rehearsals-ack label removed, comment: /pj-rehearse reject to re-block merging.

[sairameshv]

/lgtm

[soltysh]

Got green rehearse in https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_release/47401/rehearse-47401-pull-ci-openshift-kubernetes-master-e2e-aws/1744332571640074240

/hold cancel
/pj-rehearse skip

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sairameshv, soltysh

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• ci-operator/config/openshift/kubernetes/OWNERS [soltysh]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-ci]

@soltysh: all tests passed!

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