[release-4.20] CNF-22668: Replace centos references with ubi#3847

fontivan wants to merge 2 commits intoopenshift-kni:release-4.20openshift-kni/cnf-features-deploy:release-4.20from

fontivan:sskeard/centos-4-20fontivan/cnf-features-deploy:sskeard/centos-4-20Copy head branch name to clipboard