Bump @marp-team/marp-cli from 4.1.2 to 4.2.0

Bumps [@marp-team/marp-cli](https://github.com/marp-team/marp-cli) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/marp-team/marp-cli/releases)
- [Changelog](https://github.com/marp-team/marp-cli/blob/main/CHANGELOG.md)
- [Commits](marp-team/marp-cli@v4.1.2...v4.2.0)

---
updated-dependencies:
- dependency-name: "@marp-team/marp-cli"
  dependency-version: 4.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]