After https://issues.redhat.com/browse/MCO-151

• Verify CI tests are passing for current MCO master repo with new rpm-ostree
• Create a PR to merge the `mcbs` branch to `master
• Verify CI tests pass for that PR
• Ping TRT channel to give the team a heads-up. See if there are any tests they recommend running

Optional cleanup:

• Submit a PR to openshift/release which reverts/drops https://github.com/openshift/release/pull/24225