transformers

2f59ad16 - [trainer/deepspeed] load_best_model (reimplement re-init) (#17151)

[trainer/deepspeed] load_best_model (reimplement re-init) (#17151) * [trainer/deepspeed] load_best_model * to sync with DS PR #1947 * simplify * rework load_best_model test * cleanup * bump deepspeed>=0.6.5 Co-authored-by: Olatunji Ruwase <olruwase@microsoft.com>