Update ED to use Dynamic Inference Engine from MCore

MCore is deprecating the static engine in favor of Dynamic Engine. Relevant PRs shared by @shanmugamr1992 : [https://github.com/NVIDIA/Megatron-LM/pull/4697](https://github.com/NVIDIA/Megatron-LM/pull/4697), [https://github.com/NVIDIA/Megatron-LM/pull/4880](https://github.com/NVIDIA/Megatron-LM/pull/4880).

