fix(parser): escape unescaped '%' in help text for Python 3.14 argpar…#299

YangAn-microsoft wants to merge 1 commit intomicrosoft:devmicrosoft/knack:devfrom

YangAn-microsoft:fix/argparse-unescaped-percent-helpYangAn-microsoft/knack:fix/argparse-unescaped-percent-helpCopy head branch name to clipboard