chore(deps): Remove markdown dependency

[UziTech]

Marked version: 1.2.2

Description

Remove markdown devdependency from benchmarks since it is unmaintained and has a security vulnerability.

This doesn't affect marked, just the benchmark tests.

Contributor

• Test(s) exist to ensure functionality and minimize regression (if no tests added, list tests covering this PR); or,
• no tests required for this PR.
• If submitting new feature, it has been documented in the appropriate places.

Committer

In most cases, this should be a different person than the contributor.

• CI is green (no forced merge required).
• Squash and Merge PR following conventional commit guidelines.

[vercel]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/markedjs/markedjs/gwbe1gult
✅ Preview: https://markedjs-git-remove-markdown.markedjs.vercel.app

[github-actions]

🎉 This PR is included in version 1.2.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀