build(deps-dev): bump ws in /examples/helloworld-extester

Bumps [ws](https://github.com/websockets/ws) from 8.16.0 to 8.17.1.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.16.0...8.17.1)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>