python3Packages.jsonschema-rs: add update script

To allow using the local update script for maintainers.

pkgs/development/python-modules/jsonschema-rs/default.nix

@@ -3,6 +3,7 @@
   fetchPypi,
   hypothesis,
   lib,
+  nix-update-script,
   pytestCheckHook,
   pythonOlder,
   rustPlatform,
@@ -41,6 +42,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "jsonschema_rs" ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "High-performance JSON Schema validator for Python";
     homepage = "https://github.com/Stranger6667/jsonschema/tree/master/crates/jsonschema-py";