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

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.4.2...3.4.3)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

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

@@ -7,7 +7,7 @@
         "@chinchilla-software/jquery-ui-timepicker-addon": "^1.6.3",
         "datejs": "^1.0.0-rc3",
         "daterangepicker": "^3.1.0",
-        "dompurify": "^3.4.2",
+        "dompurify": "^3.4.3",
         "featherlight": "^1.7.14",
         "flot": "^4.2.6",
         "inputmask": "^5.0.9",