fix(deps): bump socket-io to v3 (#3586)

* fix socket-io deprecated default export
BREAKING CHANGE:
Some projects have socket.io tests that are version sensitive.
Fixes #3569

Author: muuvmuuv

lib/server.js

@@ -36,13 +36,13 @@ const EmitterWrapper = require('./emitter_wrapper')
 const processWrapper = new EmitterWrapper(process)
 
 function createSocketIoServer (webServer, executor, config) {
-  const server = new SocketIO(webServer, {
+  const server = new SocketIO.Server(webServer, {
     // avoid destroying http upgrades from socket.io to get proxied websockets working
     destroyUpgrade: false,
     path: config.urlRoot + 'socket.io/',
     transports: config.transports,
     forceJSONP: config.forceJSONP,
-    // Default is 5000 in socket.io v2.x.
+    // Default is 5000 in socket.io v2.x and v3.x.
     pingTimeout: config.pingTimeout || 5000
   })
 

package-lock.json

@@ -422,7 +422,7 @@
     "qjobs": "^1.2.0",
     "range-parser": "^1.2.1",
     "rimraf": "^3.0.2",
-    "socket.io": "^2.3.0",
+    "socket.io": "^3.0.4",
     "source-map": "^0.6.1",
     "tmp": "0.2.1",
     "ua-parser-js": "^0.7.23",