Bump dompurify from 3.0.7 to 3.1.3 (#672)

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.0.7 to 3.1.3.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.0.7...3.1.3)

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

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package.json

@@ -31,7 +31,7 @@
     "choices.js": "^10.2.0",
     "codemirror": "^6.0.1",
     "cookiejs": "^2.1.3",
-    "dompurify": "^3.0.7",
+    "dompurify": "^3.1.3",
     "jquery": "^3.7.1",
     "list.js": "^2.3.1",
     "marked": "^11.1.1",