Bump ws from 7.4.2 to 7.5.7 in /client-admin (compdemocracy#1395)

Bumps [ws](https://github.com/websockets/ws) from 7.4.2 to 7.5.7.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.4.2...7.5.7)

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

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