Bump engine.io and socket.io in /chat-app#4

dependabot[bot] wants to merge 1 commit intomasterdeekshas15/ChatUp:masterfrom

dependabot/npm_and_yarn/chat-app/engine.io-and-socket.io-3.6.1deekshas15/ChatUp:dependabot/npm_and_yarn/chat-app/engine.io-and-socket.io-3.6.1Copy head branch name to clipboard