nvda

146bab21 - Guard SignPath installs in CI

Guard SignPath installs in CI Agent-Logs-Url: https://github.com/nvaccess/nvda/sessions/3881434f-41da-4959-a487-b2703e747874 Co-authored-by: michaelDCurran <14154141+michaelDCurran@users.noreply.github.com>