Bump dompurify in /functional-samples/ai.gemini-on-device (#1448)

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.1.6 to 3.2.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.1.6...3.2.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

functional-samples/ai.gemini-on-device/package-lock.json

@@ -10,7 +10,7 @@
   "keywords": [],
   "license": "Apache 2.0",
   "devDependencies": {
-    "dompurify": "3.1.6",
+    "dompurify": "3.2.4",
     "marked": "14.1.2",
     "@rollup/plugin-commonjs": "26.0.1",
     "@rollup/plugin-node-resolve": "15.2.3",