Add a dynamo plugin parameter to Accelerator. init that accepts a TorchDynamoPlugin instance (or None ).

Add a dynamo plugin parameter to Accelerator. init that accepts a TorchDynamoPlugin instance (or None ).: a task in HF ML Tasksmith (Harbor dataset). Current behavior (before this change): Accelerator only accepts dynamo backend (a string or DynamoBackend enum). Internally it always constructs a…