Bump @types/node in /samples/web-extension/typescript

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 16.3.3 to 16.4.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

samples/web-extension/typescript/package-lock.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^8.2.3",
-    "@types/node": "^16.3.3",
+    "@types/node": "^16.4.0",
     "mocha": "^9.0.2",
     "ts-loader": "^9.2.3",
     "typescript": "^4.3.5",