Bump ws from 8.17.0 to 8.18.0 in /pyodide-e2e (#289)

Bumps [ws](https://github.com/websockets/ws) from 8.17.0 to 8.18.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.17.0...8.18.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]