OCPBUGS-76403, CORENET-6055: [release-4.15] Dockerfile: Unpin OVN and consume the latest from FDP#2974

openshift-merge-bot[bot] merged 1 commit intoopenshift:release-4.15openshift/ovn-kubernetes:release-4.15from

igsilya:ovn-unpin-4.15igsilya/ovn-kubernetes:ovn-unpin-4.15Copy head branch name to clipboard