Bump ws from 7.3.1 to 7.4.6 in /benchmark

Bumps [ws](https://github.com/websockets/ws) from 7.3.1 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/7.3.1...7.4.6)

Signed-off-by: dependabot[bot] <support@github.com>

benchmark/package-lock.json

@@ -688,9 +688,9 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",
-      "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA=="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "xtend": {
       "version": "4.0.2",

benchmark/package.json

@@ -24,7 +24,7 @@
     "@types/ws": "^7.2.6",
     "ts-node-dev": "^1.0.0-pre.62",
     "typescript": "^4.0.2",
-    "ws": "^7.3.1"
+    "ws": "^7.4.6"
   },
   "devDependencies": {}
 }

benchmark/yarn.lock

@@ -515,9 +515,9 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-ws@^7.3.1:
-  version "7.3.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.1.tgz#d0547bf67f7ce4f12a72dfe31262c68d7dc551c8"
+ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
 
 xtend@^4.0.0:
   version "4.0.2"