Pulse: add polkit for sudoless web updates (#4970)

Author: rcourtman

install/pulse-install.sh

@@ -16,7 +16,8 @@ update_os
 
 msg_info "Installing Dependencies"
 $STD apt-get install -y \
-  diffutils
+  diffutils \
+  policykit-1
 msg_ok "Installed Dependencies"
 
 msg_info "Creating dedicated user pulse..."