Bump dompurify from 2.3.3 to 2.3.4

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.3.3 to 2.3.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.3.3...2.3.4

)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>