Bump ws from 7.3.1 to 7.5.6 (#240)

Bumps [ws](https://github.com/websockets/ws) from 7.3.1 to 7.5.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.3.1...7.5.6)

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

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