Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.2.2 to 2.2.6.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.2.2...2.2.6)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>