[release-4.19] USHIFT-5584: Revert to using rhel-9.6 base image for ISO generation in CI#5044

openshift-merge-bot[bot] merged 5 commits intoopenshift:release-4.19openshift/microshift:release-4.19from

ggiguash:use_rhel96_419ggiguash/microshift:use_rhel96_419Copy head branch name to clipboard