[openshift-4.18] Re-add exemptions for Libreswan as it was pinned back in 4.18 ovn-k.#7294

openshift-merge-bot[bot] merged 1 commit intoopenshift-eng:openshift-4.18openshift-eng/ocp-build-data:openshift-4.18from

igsilya:libreswan-pin-back-4.18igsilya/ocp-build-data:libreswan-pin-back-4.18Copy head branch name to clipboard