Bump ws from 7.5.10 to 8.18.3

Bumps [ws](https://github.com/websockets/ws) from 7.5.10 to 8.18.3.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.5.10...8.18.3)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.18.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "vue-router": "^3.1.3",
     "vuex": "^4.1.0",
     "wif": "^5.0.0",
-    "ws": "^7.5.10"
+    "ws": "^8.18.3"
   },
   "devDependencies": {
     "@types/node": "^13.1.4",