paged_adamw_8bit优化支持

[zhangtianhong-1998]

Reminder

• I have read the above rules and searched the existing issues.

Description

在Open-R1最新的repo使用，fsdp和paged_adamw_8bit优化可以节省一定显存扩展上下文，不知道LLaMa-Factory是否有对应计划

Pull Request

No response

[zhangtianhong-1998]

https://github.com/huggingface/open-r1/blob/main/recipes/README.md
https://github.com/huggingface/open-r1/blob/main/recipes/OlympicCoder-32B/sft/config_v00.00.yaml

[hiyouga]

set optim: paged_adamw_8bit