chore(deps-dev): bump @slidev/cli from 0.49.29 to 0.50.0

Bumps [@slidev/cli](https://github.com/slidevjs/slidev) from 0.49.29 to 0.50.0.
- [Release notes](https://github.com/slidevjs/slidev/releases)
- [Commits](slidevjs/slidev@v0.49.29...v0.50.0)

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

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