build(deps): bump dompurify from 3.4.7 to 3.4.8

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.4.7 to 3.4.8.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.4.7...3.4.8)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -76,7 +76,7 @@
     "core-js": "^3.49.0",
     "davclient.js": "nextcloud-deps/davclient.js#59d7777d7fe290c5f1fd74a58e7eb529b63e153d",
     "debounce": "^2.2.0",
-    "dompurify": "^3.4.7",
+    "dompurify": "^3.4.8",
     "escape-html": "^1.0.3",
     "focus-trap": "^7.8.0",
     "handlebars": "^4.7.8",