Bump ws from 7.3.0 to 7.4.6

Bumps [ws](https://github.com/websockets/ws) from 7.3.0 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.3.0...7.4.6)

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

Author: dependabot[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "webpack-cli": "^3.3.11",
     "webpack-dev-server": "^3.11.0",
     "webpack-merge": "^4.2.2",
-    "ws": "^7.3.0"
+    "ws": "^7.4.6"
   },
   "dependencies": {
     "about-window": "^1.13.2",