glab: use nix-update-script

Author: afh

pkgs/by-name/gl/glab/package.nix

@@ -4,6 +4,7 @@
   fetchFromGitLab,
   installShellFiles,
   stdenv,
+  nix-update-script,
 }:
 
 buildGo123Module rec {
@@ -43,6 +44,8 @@ buildGo123Module rec {
       --zsh <($out/bin/glab completion -s zsh)
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "GitLab CLI tool bringing GitLab to your command line";
     license = lib.licenses.mit;