v0.34.1 Patchfix

Bug fixes

• Fixes an issue where processed DataLoaders could no longer be pickled in #3074 thanks to @byi8220
• Fixes an issue when using FSDP where default_transformers_cls_names_to_wrap would separate _no_split_modules by characters instead of keeping it as a list of layer names in #3075

Full Changelog: https://github.com/huggingface/accelerate/compare/v0.34.0...v0.34.1