Bump ws from 7.0.0 to 7.4.6 in /node/tool

Bumps [ws](https://github.com/websockets/ws) from 7.0.0 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/7.0.0...7.4.6)

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

node/tool/package-lock.json

@@ -57,11 +57,6 @@
             "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
             "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
         },
-        "async-limiter": {
-            "version": "1.0.0",
-            "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-            "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
-        },
         "asynckit": {
             "version": "0.4.0",
             "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -730,12 +725,9 @@
             "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
         },
         "ws": {
-            "version": "7.0.0",
+            "version": "7.4.6",
-            "resolved": "https://registry.npmjs.org/ws/-/ws-7.0.0.tgz",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-            "integrity": "sha512-cknCal4k0EAOrh1SHHPPWWh4qm93g1IuGGGwBjWkXmCG7LsDtL8w9w+YVfaF+KSVwiHQKDIMsSLBVftKf9d1pg==",
+            "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
-            "requires": {
-                "async-limiter": "^1.0.0"
-            }
         },
         "xml-name-validator": {
             "version": "3.0.0",