Bump @eslint/markdown from 8.0.2 to 8.0.3 (#4108)

Bumps [@eslint/markdown](https://github.com/eslint/markdown) from 8.0.2 to 8.0.3.
- [Release notes](https://github.com/eslint/markdown/releases)
- [Changelog](https://github.com/eslint/markdown/blob/main/CHANGELOG.md)
- [Commits](eslint/markdown@v8.0.2...v8.0.3)

---
updated-dependencies:
- dependency-name: "@eslint/markdown"
  dependency-version: 8.0.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]