build(deps-dev): bump ws from 6.2.1 to 7.4.6 in /spec (#29416)

Bumps [ws](https://github.com/websockets/ws) from 6.2.1 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/6.2.1...7.4.6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

spec/package.json

@@ -25,7 +25,7 @@
     "uuid": "^3.3.3",
     "walkdir": "^0.3.2",
     "winreg": "^1.2.4",
-    "ws": "^6.1.4",
+    "ws": "^7.4.6",
     "yargs": "^16.0.3"
   },
   "dependencies": {