Debian-LXC: Bump to Debian 13 Trixie (#7683)

ct/debian.sh

@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-1}"
 var_ram="${var_ram:-512}"
 var_disk="${var_disk:-2}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-12}"
+var_version="${var_version:-13}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
@@ -28,8 +28,8 @@ function update_script() {
     exit
   fi
   msg_info "Updating $APP LXC"
-  $STD apt-get update
-  $STD apt-get -y upgrade
+  $STD apt update
+  $STD apt -y upgrade
   msg_ok "Updated $APP LXC"
   exit
 }