license-cli: add updateScript

pkgs/by-name/li/license-cli/package.nix

@@ -5,6 +5,7 @@
   installShellFiles,
   scdoc,
   makeWrapper,
+  nix-update-script,
 
   # Script dependencies.
   fzf,
@@ -55,6 +56,8 @@ rustPlatform.buildRustPackage (finalAttrs: {
       }
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     homepage = "https://git.sr.ht/~zethra/license";
     description = "Command-line tool to easily add license to your project";