build(deps-dev): bump ws from 6.2.2 to 6.2.3 in /example (terrylinla#66)

Bumps [ws](https://github.com/websockets/ws) from 6.2.2 to 6.2.3.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@6.2.2...6.2.3)

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

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

Author: dependabot[bot]