read-it-later: add updateScript

pkgs/by-name/re/read-it-later/package.nix

@@ -16,6 +16,7 @@
   libsoup_3,
   webkitgtk_6_0,
   sqlite,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation rec {
@@ -55,6 +56,8 @@ stdenv.mkDerivation rec {
     sqlite
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Simple Wallabag client with basic features to manage articles";
     homepage = "https://gitlab.gnome.org/World/read-it-later";