Bump ws and @pm2/agent in /.config/server

Bumps [ws](https://github.com/websockets/ws) to 8.18.0 and updates ancestor dependencies [ws](https://github.com/websockets/ws) and @pm2/agent. These dependencies need to be updated together.


Updates `ws` from 7.5.9 to 8.18.0
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.5.9...8.18.0)

Updates `ws` from 8.8.1 to 8.18.0
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.5.9...8.18.0)

Updates `@pm2/agent` from 2.0.1 to 2.0.4

---
updated-dependencies:
- dependency-name: ws
  dependency-type: direct:production
- dependency-name: ws
  dependency-type: direct:production
- dependency-name: "@pm2/agent"
  dependency-type: indirect
...

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

Author: dependabot[bot]