jwt-cli: add passthru.updateScript

pkgs/tools/security/jwt-cli/default.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  gitUpdater,
   installShellFiles,
   rustPlatform,
   Security,
@@ -38,6 +39,8 @@ rustPlatform.buildRustPackage rec {
       | grep -q 'John Doe'
   '';
 
+  passthru.updateScript = gitUpdater { };
+
   meta = {
     description = "Super fast CLI tool to decode and encode JWTs";
     homepage = "https://github.com/mike-engel/jwt-cli";