Bump ws from 7.5.10 to 7.5.13 in /copyright-date-block

Bumps [ws](https://github.com/websockets/ws) from 7.5.10 to 7.5.13.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.5.10...7.5.13)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 7.5.13
  dependency-type: indirect
...

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Author: dependabot[bot]