Bump dompurify from 3.1.7 to 3.2.4 in /extensions/markdown-language-features (#240973)

Bump dompurify in /extensions/markdown-language-features

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.1.7 to 3.2.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.1.7...3.2.4)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: direct:production
...

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