build(deps): bump ws and @pm2/agent

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

Updates `ws` from 8.9.0 to 8.18.0
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.9.0...8.18.0)

Updates `ws` from 7.5.9 to 8.18.0
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.9.0...8.18.0)

Updates `@pm2/agent` from 2.0.1 to 2.0.4

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

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