chore(package): update ws to version 1.1.1
chore(package): update ws to version 1.1.1

https://nodesecurity.io/advisories/socketio_dos-due-to-excessively-large-websocket-message

not affected, update to keep everything green.

leancloud/js-realtime-sdk,leancloud/js-realtime-sdk,leeyeh/js-realtime-sdk,leeyeh/js-realtime-sdk,leeyeh/js-realtime-sdk