Bump dompurify from 2.4.1 to 2.4.3

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.4.1 to 2.4.3.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.4.1...2.4.3)

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

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

package.json

@@ -45,7 +45,7 @@
     "@nextcloud/vue-dashboard": "^2.0.1",
     "@nextcloud/vue-richtext": "^2.0.4",
     "blueimp-md5": "^2.19.0",
-    "dompurify": "^2.4.1",
+    "dompurify": "^2.4.3",
     "lodash": "^4.17.21",
     "markdown-it": "^13.0.1",
     "markdown-it-link-attributes": "^4.0.1",