Extend ModularPipeline.save pretrained() to save component model weights in addition to the pipeline…

Extend ModularPipeline.save pretrained() to save component model weights in addition to the pipeline…: a task in HF ML Tasksmith (Harbor dataset). New signature: python def save pretrained( self, save directory: str os.PathLike, safe serialization: bool = True, variant: str None = None, max shard…