chore: bump engine.io-client version

Diff: socketio/engine.io-client@3.4.4...3.5.0

Author: darrachequesne

package-lock.json

@@ -19,7 +19,7 @@
     "component-bind": "1.0.0",
     "component-emitter": "~1.3.0",
     "debug": "~3.1.0",
-    "engine.io-client": "~3.4.0",
+    "engine.io-client": "~3.5.0",
     "has-binary2": "~1.0.2",
     "indexof": "0.0.1",
     "parseqs": "0.0.6",