wleave: add updateScript

Signed-off-by: Ludovico Piero <lewdovico@gnuweeb.org>

pkgs/by-name/wl/wleave/package.nix

@@ -10,6 +10,7 @@
   glib,
   gtk4,
   gtk4-layer-shell,
+  nix-update-script,
 }:
 rustPlatform.buildRustPackage rec {
   pname = "wleave";
@@ -62,6 +63,8 @@ rustPlatform.buildRustPackage rec {
       --zsh <(cat completions/_wleave)
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     description = "Wayland-native logout script written in GTK4";
     homepage = "https://github.com/AMNatty/wleave";