test: fix compat versions feature gate test kubekins image config

[aaron-prindle]

No description provided.

[BenTheElder]

/lgtm
/approve

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[k8s-ci-robot]

@aaron-prindle: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key compatibility-versions-e2e.yaml using file config/jobs/kubernetes/sig-testing/compatibility-versions-e2e.yaml

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