PT-2500 Fix TestVersionOption regex to accept release suffix in version#1111

eslavyansky wants to merge 1 commit intopercona:3.xpercona/percona-toolkit:3.xfrom

eslavyansky:PT-2500-fix-version-regex-in-testseslavyansky/percona-toolkit:PT-2500-fix-version-regex-in-testsCopy head branch name to clipboard