ulid: add updateScript

pkgs/by-name/ul/ulid/package.nix

@@ -2,6 +2,7 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
+  nix-update-script,
 }:
 
 buildGoModule (finalAttrs: {
@@ -27,6 +28,8 @@ buildGoModule (finalAttrs: {
     "-skip=TestMonotonicSafe"
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Universally Unique Lexicographically Sortable Identifier (ULID) in Go";
     homepage = "https://github.com/oklog/ulid";