build(deps): bump the regular group in /tests/ocpp-server with 2 updates (#1175)

build(deps): bump the regular group in /tests/ocpp-server with 2 updates (#1175)

Bumps the regular group in /tests/ocpp-server with 2 updates: [websockets](https://github.com/python-websockets/websockets) and [ruff](https://github.com/astral-sh/ruff).

Updates `websockets` from 13.0.1 to 13.1
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](https://github.com/python-websockets/websockets/compare/13.0.1...13.1)

Updates `ruff` from 0.6.6 to 0.6.7
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/ruff/compare/0.6.6...0.6.7)

---
updated-dependencies:
- dependency-name: websockets
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: regular
- dependency-name: ruff
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: regular
...

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