Bump dompurify in /themes/common-theme/webapp/common-theme/js

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

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

themes/common-theme/webapp/common-theme/js/package-lock.json

@@ -5,7 +5,7 @@
     "license": "Apache-2.0",
     "dependencies": {
         "@chinchilla-software/jquery-ui-timepicker-addon": "^1.6.3",
-        "dompurify": "^3.1.6",
+        "dompurify": "^3.4.2",
         "featherlight": "^1.7.14",
         "flot": "^4.2.6",
         "inputmask": "^5.0.9",