[chore] Bump engine.io to version 3.4.0
Diff: https://github.com/socketio/engine.io/compare/3.3.1...3.4.0
D
Damien Arrachequesne committed
1150eb50e9ce4f15cbd86c51de69df82f3194206
Parent: 9c1e73c
Diff: https://github.com/socketio/engine.io/compare/3.3.1...3.4.0