Bump dompurify in /functional-samples/ai.gemini-on-device

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.2.4 to 3.3.2.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.2.4...3.3.2)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.3.2
  dependency-type: direct:development
...

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

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

@@ -11,7 +11,7 @@
       "devDependencies": {
         "@rollup/plugin-commonjs": "26.0.1",
         "@rollup/plugin-node-resolve": "15.2.3",
-        "dompurify": "3.2.4",
+        "dompurify": "3.3.2",
         "marked": "14.1.2",
         "rollup": "4.22.4",
         "rollup-plugin-copy": "3.5.0"
@@ -563,11 +563,14 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.4.tgz",
-      "integrity": "sha512-ysFSFEDVduQpyhzAob/kkuJjf5zWkZD8/A9ywSp1byueyuCfHamrCBa14/Oc2iiB0e51B+NpxSl5gmzn+Ms/mg==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.2.tgz",
+      "integrity": "sha512-6obghkliLdmKa56xdbLOpUZ43pAR6xFy1uOrxBaIDjT+yaRuuybLjGS9eVBoSR/UPU5fq3OXClEHLJNGvbxKpQ==",
       "dev": true,
       "license": "(MPL-2.0 OR Apache-2.0)",
+      "engines": {
+        "node": ">=20"
+      },
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
       }

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

@@ -10,7 +10,7 @@
   "keywords": [],
   "license": "Apache 2.0",
   "devDependencies": {
-    "dompurify": "3.2.4",
+    "dompurify": "3.3.2",
     "marked": "14.1.2",
     "@rollup/plugin-commonjs": "26.0.1",
     "@rollup/plugin-node-resolve": "15.2.3",