Updating ose-openstack-machine-controllers builder & base images to be consistent with ART

[openshift-bot]

Updating ose-openstack-machine-controllers builder & base images to be consistent with ART
Reconciling with https://github.com/openshift/ocp-build-data/tree/f01352e0069d4e8cedc0880ae427359a96668512/images/ose-openstack-machine-controllers.yml

If you have any questions about this pull request, please reach out to @art-team in the #aos-art coreos slack channel.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[pierreprinetti]

Superseded by #151
/close

[openshift-ci-robot]

@pierreprinetti: Closed this PR.

In response to this:

Superseded by #151
/close

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