[Snyk] Security upgrade engine.io from 1.6.4 to 3.4.0#8

snyk-bot wants to merge 1 commit intomastertjenkinson/socket.io:masterfrom

snyk-fix-32577809adac589f7b8f3ddbc1267c65tjenkinson/socket.io:snyk-fix-32577809adac589f7b8f3ddbc1267c65Copy head branch name to clipboard