pdfsam-basic: add updateScript

pkgs/applications/misc/pdfsam-basic/default.nix

@@ -6,6 +6,7 @@
   jdk21,
   wrapGAppsHook3,
   glib,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation rec {
@@ -47,6 +48,8 @@ stdenv.mkDerivation rec {
     categories = [ "Office" ];
   };
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     homepage = "https://github.com/torakiki/pdfsam";
     description = "Multi-platform software designed to extract pages, split, merge, mix and rotate PDF files";