[Snyk] Upgrade langchain from 0.0.96 to 0.2.5#4

abdulrahman305 merged 1 commit intomainabdulrahman305/langchain-chatbot-demo:mainfrom

snyk-upgrade-f1f6e744d24c62f40639131dbbc51a8dabdulrahman305/langchain-chatbot-demo:snyk-upgrade-f1f6e744d24c62f40639131dbbc51a8dCopy head branch name to clipboard