⬆️ Bump nightwatch from 3.0.1 to 3.3.8

Bumps [nightwatch](https://github.com/nightwatchjs/nightwatch) from 3.0.1 to 3.3.8.
- [Release notes](https://github.com/nightwatchjs/nightwatch/releases)
- [Commits](nightwatchjs/nightwatch@v3.0.1...v3.3.8)

---
updated-dependencies:
- dependency-name: nightwatch
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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