Bump dompurify and react-admin

Bumps [dompurify](https://github.com/cure53/DOMPurify) to 3.2.6 and updates ancestor dependency [react-admin](https://github.com/marmelab/react-admin). These dependencies need to be updated together.


Updates `dompurify` from 2.5.6 to 3.2.6
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.5.6...3.2.6)

Updates `react-admin` from 4.16.15 to 5.9.0
- [Release notes](https://github.com/marmelab/react-admin/releases)
- [Changelog](https://github.com/marmelab/react-admin/blob/master/CHANGELOG.md)
- [Upgrade guide](https://github.com/marmelab/react-admin/blob/master/docs/Upgrade.md)
- [Commits](marmelab/react-admin@v4.16.15...v5.9.0)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.2.6
  dependency-type: indirect
- dependency-name: react-admin
  dependency-version: 5.9.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]