build(deps): bump ws from 8.8.1 to 8.19.0 in /emscripten (#562)

Bumps [ws](https://github.com/websockets/ws) from 8.8.1 to 8.19.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.8.1...8.19.0)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.19.0
  dependency-type: indirect
...

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