PS-10100 [9.x]: Improve the way the base branch info is fetched in circleCI check#5769

VarunNagaraju wants to merge 1 commit intopercona:trunkpercona/percona-server:trunkfrom

VarunNagaraju:PS-10100-9.xVarunNagaraju/percona-server:PS-10100-9.xCopy head branch name to clipboard