Bump dompurify from 3.1.7 to 3.2.4 in /src/frontend (#9083)

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.1.7 to 3.2.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.1.7...3.2.4)

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

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src/frontend/package.json

@@ -49,7 +49,7 @@
         "clsx": "^2.1.1",
         "codemirror": "6.0.1",
         "dayjs": "^1.11.13",
-        "dompurify": "^3.1.7",
+        "dompurify": "^3.2.4",
         "easymde": "^2.18.0",
         "embla-carousel-react": "^8.5.2",
         "fuse.js": "^7.0.0",