[BREAKING] Python: Update orchestration return types#4733

TaoChenOSU wants to merge 2 commits intomicrosoft:mainmicrosoft/agent-framework:mainfrom

TaoChenOSU:taochen/python-update-orchestration-return-typesTaoChenOSU/agent-framework-fork:taochen/python-update-orchestration-return-typesCopy head branch name to clipboard