Bump commonmark from 0.27.0 to 0.30.0

Bumps [commonmark](https://github.com/commonmark/commonmark.js) from 0.27.0 to 0.30.0.
- [Release notes](https://github.com/commonmark/commonmark.js/releases)
- [Changelog](https://github.com/commonmark/commonmark.js/blob/master/changelog.txt)
- [Commits](commonmark/commonmark.js@0.27.0...0.30.0)

---
updated-dependencies:
- dependency-name: commonmark
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]