mongodb-cli: add nix-update-script (#396616)

pkgs/by-name/mo/mongodb-cli/package.nix

@@ -4,6 +4,7 @@
   lib,
   buildGoModule,
   installShellFiles,
+  nix-update-script,
 }:
 
 buildGoModule rec {
@@ -30,6 +31,8 @@ buildGoModule rec {
       --zsh <($out/bin/mongocli completion zsh)
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "MongoDB CLI enable you to manage your MongoDB via ops manager and cloud manager";
     homepage = "https://github.com/mongodb/mongodb-cli";