chore: bump dompurify from 3.4.8 to 3.4.9

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.4.8 to 3.4.9.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.4.8...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]

packages/app/package.json

@@ -55,7 +55,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "d3": "^7.9.0",
-    "dompurify": "^3.4.8",
+    "dompurify": "^3.4.9",
     "gray-matter": "^4.0.3",
     "iwanthue": "^2.0.0",
     "lucide-react": "^1.17.0",