Bump dompurify from 3.4.0 to 3.4.9

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.4.0 to 3.4.9.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.4.0...3.4.9)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.9
  dependency-type: direct:production
...

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

Author: dependabot[bot]

front/package.json

@@ -87,6 +87,6 @@
     "@emotion/styled": "^11.8.1"
   },
   "dependencies": {
-    "dompurify": "^3.4.0"
+    "dompurify": "^3.4.9"
   }
 }