v0.5.2 release

feature

• add new multi role chat by @lcl6679292 in #445

fix

• fix: install default nltk data by @suluyana in #446
• hotfix transformers version 4.41 by @zzhangpurdue in #447
• allow_fork_pass_ci by @zzhangpurdue in #449

Full Changelog: v0.5.1...v0.5.2