bump dep ws to 8 (#146)

Author: Eomm

README.md

@@ -6,7 +6,7 @@
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://standardjs.com/)
 
 WebSocket support for [Fastify](https://github.com/fastify/fastify).
-Built upon [ws](https://www.npmjs.com/package/ws).
+Built upon [ws@8](https://www.npmjs.com/package/ws).
 
 ## Install
 

package.json

@@ -40,6 +40,6 @@
   },
   "dependencies": {
     "fastify-plugin": "^3.0.0",
-    "ws": "^7.5.4"
+    "ws": "^8.0.0"
   }
 }