transformers

bc2571e6 - [Deepspeed] ZeRO-Infinity integration plus config revamp (#11418)

[Deepspeed] ZeRO-Infinity integration plus config revamp (#11418) * adding Z-inf * revamp config process * up version requirement * wip * massive rewrite * cleanup * cleanup * Apply suggestions from code review Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com> * consistent json commas * act on suggestions * leave this feature for 0.3.16 * style Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>