qgroundcontrol: add nix-update-script

pkgs/by-name/qg/qgroundcontrol/package.nix

@@ -7,6 +7,7 @@
   gst_all_1,
   wayland,
   pkg-config,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation rec {
@@ -95,6 +96,8 @@ stdenv.mkDerivation rec {
     ./disable-bad-message.patch
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Provides full ground station support and configuration for the PX4 and APM Flight Stacks";
     homepage = "https://qgroundcontrol.com/";