build(deps-dev): bump typescript in /superset-websocket

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.2.3 to 4.9.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.2.3...v4.9.4)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

superset-websocket/package.json

@@ -39,7 +39,7 @@
     "prettier": "^2.4.1",
     "ts-jest": "^27.0.7",
     "ts-node": "^9.1.1",
-    "typescript": "^4.2.3"
+    "typescript": "^4.9.4"
   },
   "engines": {
     "node": "^16.9.1",