[Security] Bump dompurify from 1.0.11 to 2.0.7

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 1.0.11 to 2.0.7. **This update includes security fixes.**
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/1.0.11...2.0.7

)

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