DPTP-4632: use merge-base for accurate change detection in pj-rehearse#4869

openshift-merge-bot[bot] merged 1 commit intoopenshift:mainopenshift/ci-tools:mainfrom

deepsm007:fix-pj-rehearse-merge-base-detectiondeepsm007/ci-tools:fix-pj-rehearse-merge-base-detectionCopy head branch name to clipboard