zizmor: add passthru.updateScript

pkgs/by-name/zi/zizmor/package.nix

@@ -1,6 +1,7 @@
 {
   lib,
   fetchFromGitHub,
+  nix-update-script,
   rustPlatform,
   testers,
   zizmor,
@@ -24,6 +25,8 @@ rustPlatform.buildRustPackage rec {
     package = zizmor;
   };
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Tool for finding security issues in GitHub Actions setups";
     homepage = "https://woodruffw.github.io/zizmor/";