chore(deps): bump dompurify from 3.3.3 to 3.4.2 in /docs

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.3.3 to 3.4.2.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.3.3...3.4.2)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.2
  dependency-type: indirect
...

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

docs/package-lock.json

@@ -10219,9 +10219,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.3.3",
+      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.3.tgz",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.2.tgz",
-      "integrity": "sha512-Oj6pzI2+RqBfFG+qOaOLbFXLQ90ARpcGG6UePL82bJLtdsa6CYJD7nmiU8MW9nQNOtCHV3lZ/Bzq1X0QYbBZCA==",
+      "integrity": "sha512-lHeS9SA/IKeIFFyYciHBr2n0v1VMPlSj843HdLOwjb2OxNwdq9Xykxqhk+FE42MzAdHvInbAolSE4mhahPpjXA==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"