Bump langchain from 0.0.340 to 0.3.8#1186

dependabot[bot] wants to merge 1 commit intomainmicrosoft/sample-app-aoai-chatGPT:mainfrom

dependabot/pip/langchain-0.3.8microsoft/sample-app-aoai-chatGPT:dependabot/pip/langchain-0.3.8Copy head branch name to clipboard