Bump snyk and @pawjs/pawjs

Removes [snyk](https://github.com/snyk/snyk). It's no longer used after updating ancestor dependency [@pawjs/pawjs](https://github.com/Atyantik/pawjs). These dependencies need to be updated together.


Removes `snyk`

Updates `@pawjs/pawjs` from 4.0.0-beta.11 to 4.0.0-beta.18
- [Release notes](https://github.com/Atyantik/pawjs/releases)
- [Commits](Atyantik/pawjs@v4.0.0-beta.11...v4.0.0-beta.18)

---
updated-dependencies:
- dependency-name: snyk
  dependency-type: indirect
- dependency-name: "@pawjs/pawjs"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>