python3Packages.livekit-protocol: add updateScript

pkgs/development/python-modules/livekit-protocol/default.nix

@@ -4,6 +4,7 @@
   fetchFromGitHub,
   setuptools,
   protobuf,
+  gitUpdater,
 }:
 
 buildPythonPackage rec {
@@ -32,6 +33,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "livekit" ];
 
+  passthru.updateScript = gitUpdater { rev-prefix = "protocol-v"; };
+
   meta = {
     description = "LiveKit real-time and server SDKs for Python";
     homepage = "https://github.com/livekit/python-sdks/";