live-server: set passthru.updateScript

pkgs/by-name/li/live-server/package.nix

@@ -4,6 +4,7 @@
   fetchFromGitHub,
   openssl,
   pkg-config,
+  nix-update-script,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
@@ -24,6 +25,8 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   buildInputs = [ openssl ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Local network server with live reload feature for static pages";
     downloadPage = "https://github.com/lomirus/live-server/releases";