transformers

53e1f5cf - [`Trainer`] Correct behavior of `_load_best_model` for PEFT models (#24103)

[`Trainer`] Correct behavior of `_load_best_model` for PEFT models (#24103) * v1 * some refactor - add ST format as well * fix * add `ADAPTER_WEIGHTS_NAME` & `ADAPTER_SAFE_WEIGHTS_NAME`