build(deps): Bump boxen from 5.1.2 to 8.0.0

Bumps [boxen](https://github.com/sindresorhus/boxen) from 5.1.2 to 8.0.0.
- [Release notes](https://github.com/sindresorhus/boxen/releases)
- [Commits](sindresorhus/boxen@v5.1.2...v8.0.0)

---
updated-dependencies:
- dependency-name: boxen
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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