build(deps): bump @lezer/markdown from 1.2.0 to 1.3.0 (#330)

Bumps [@lezer/markdown](https://github.com/lezer-parser/markdown) from 1.2.0 to 1.3.0.
- [Changelog](https://github.com/lezer-parser/markdown/blob/main/CHANGELOG.md)
- [Commits](lezer-parser/markdown@1.2.0...1.3.0)

---
updated-dependencies:
- dependency-name: "@lezer/markdown"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>