openziti-controller: prevent apt hang on postinst TTY prompt

ct/openziti-controller.sh

@@ -30,7 +30,7 @@ function update_script() {
   fi
   msg_info "Updating $APP LXC"
   $STD apt update
-  $STD apt -y upgrade
+  $STD apt -y upgrade </dev/null
   msg_ok "Updated $APP LXC"
   msg_ok "Updated successfully!"
   exit

install/openziti-controller-install.sh

@@ -24,7 +24,7 @@ Components: main
 Signed-By: /usr/share/keyrings/openziti.gpg
 EOF
 $STD apt update
-$STD apt install -y openziti-controller openziti-console
+$STD apt install -y openziti-controller openziti-console </dev/null
 msg_ok "Installed openziti"
 
 read -r -p "${TAB3}Would you like to go through the auto configuration now? <y/N>" prompt