Bump dompurify from 2.3.8 to 2.5.4

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.3.8 to 2.5.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.3.8...2.5.4)

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

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

package.json

@@ -94,7 +94,7 @@
     "@popperjs/core": "2.11.5",
     "bootstrap": "5.1.3",
     "dayjs": "1.11.0",
-    "dompurify": "^2.3.8",
+    "dompurify": "^2.5.4",
     "moment": "^2.29.2",
     "ngx-infinite-scroll": "13.0.1",
     "ngx-markdown": "^13.1.0",