Update to match new MRC function sig for AsyncioRunnable::on_data (nv…

…-morpheus#1541)

Closes 

## By Submitting this PR I confirm:
- I am familiar with the [Contributing Guidelines](https://github.com/nv-morpheus/Morpheus/blob/main/docs/source/developer_guide/contributing.md).
- When the PR is ready for review, new or existing tests cover these changes.
- When the PR is ready for review, the documentation is up to date with these changes.

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Christopher Harris (https://github.com/cwharris)

URL: nv-morpheus#1541

morpheus/_lib/llm/include/py_llm_engine_stage.hpp

@@ -94,7 +94,7 @@ class MORPHEUS_EXPORT PyLLMEngineStage
 
   private:
     mrc::coroutines::AsyncGenerator<std::shared_ptr<ControlMessage>> on_data(
-        std::shared_ptr<ControlMessage>&& data) override
+        std::shared_ptr<ControlMessage>&& data, std::shared_ptr<mrc::coroutines::Scheduler> on) override
     {
         auto result = co_await m_engine->run(std::move(data));