[chore] Bump socket.io-parser to version 3.4.0

Diff: socketio/socket.io-parser@3.3.0...3.4.0

Author: darrachequesne

package.json

@@ -29,7 +29,7 @@
     "has-binary2": "~1.0.2",
     "socket.io-adapter": "~1.1.0",
     "socket.io-client": "2.2.0",
-    "socket.io-parser": "~3.3.0"
+    "socket.io-parser": "~3.4.0"
   },
   "devDependencies": {
     "expect.js": "0.3.1",