[enterprise-4.5] *: Rename bastion -> mirror host#23217

kalexand-rh merged 2 commits intoopenshift:enterprise-4.5openshift/openshift-docs:enterprise-4.5from

openshift-cherrypick-robot:cherry-pick-19435-to-enterprise-4.5openshift-cherrypick-robot/openshift-docs:cherry-pick-19435-to-enterprise-4.5Copy head branch name to clipboard