[release-next] Fix oc file name

[openshift-cherrypick-robot]

This is an automated cherry-pick of #488

/assign dsimansk

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

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[openshift-ci]

@openshift-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/415-unit	5bfbfaf	link	true	/test 415-unit
ci/prow/415-images	5bfbfaf	link	true	/test 415-images
ci/prow/415-e2e	5bfbfaf	link	true	/test 415-e2e

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