build(deps): bump dompurify from 3.4.5 to 3.4.7 in /frontend

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.4.5 to 3.4.7.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.4.5...3.4.7)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@tanstack/virtual-core": "3.16.0",
-    "dompurify": "3.4.5",
+    "dompurify": "3.4.7",
     "marked": "18.0.4"
   },
   "devDependencies": {