Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.2.6 to 2.2.7.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.2.6...2.2.7)
Signed-off-by: dependabot[bot] <support@github.com>