[release-4.8] Update CI test to use CI dep images instead of IMAGE_FORMAT

[openshift-cherrypick-robot]

This is an automated cherry-pick of #105

/assign joelsmith

This PR requires openshift/release#22326 to work. This PR contains only changes to the e2e tests and should be considered a candidate for merging without a valid bugzilla bug.

[openshift-ci[bot]]

@openshift-cherrypick-robot: No Bugzilla bug is referenced in the title of this pull request. To reference a bug, add 'Bug XXX:' to the title of this pull request and request another bug refresh with /bugzilla refresh.

In response to [this](https://github.com/openshift/vertical-pod-autoscaler-operator/pull/108): >[release-4.8] Update CI test to use CI dep images instead of IMAGE_FORMAT Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[joelsmith]

Now that https://github.com/openshift/release/pull/22326 has merged, this has a chance of passing. /retest

[rphillips]

/lgtm

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

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