chore(deps): bump dompurify in /samples/react-application-alert-banner

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.3.1 to 3.3.2.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.3.1...3.3.2)

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

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

Author: dependabot[bot]

samples/react-application-alert-banner/package-lock.json

@@ -27,7 +27,7 @@
     "@types/react": "^17.0.0",
     "@types/react-dom": "^17.0.0",
     "del": "^8.0.0",
-    "dompurify": "^3.3.1",
+    "dompurify": "^3.3.2",
     "gulp-cli": "^3.1.0",
     "marked": "^16.1.2",
     "react": "v17.0.0",