Bump phrity/websocket from 3.6.2 to 3.7.1

Bumps [phrity/websocket](https://github.com/sirn-se/websocket-php) from 3.6.2 to 3.7.1.
- [Release notes](https://github.com/sirn-se/websocket-php/releases)
- [Changelog](https://github.com/sirn-se/websocket-php/blob/v3.7-main/docs/Changelog.md)
- [Commits](sirn-se/websocket-php@3.6.2...3.7.1)

---
updated-dependencies:
- dependency-name: phrity/websocket
  dependency-version: 3.7.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]