chore(deps): bump ws from 7.2.3 to 8.1.0 in /plugins/fouc

Bumps [ws](https://github.com/websockets/ws) from 7.2.3 to 8.1.0.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.2.3...8.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>