Bump dompurify from 2.3.3 to 2.3.4

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.3.3 to 2.3.4.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.3.3...2.3.4)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -2772,9 +2772,9 @@ domhandler@^2.3.0:
     domelementtype "1"
 
 dompurify@^2.0.1:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.3.3.tgz#c1af3eb88be47324432964d8abc75cf4b98d634c"
-  integrity sha512-dqnqRkPMAjOZE0FogZ+ceJNM2dZ3V/yNOuFB7+39qpO93hHhfRpHw3heYQC7DPK9FqbQTfBKUJhiSfz4MvXYwg==
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.3.4.tgz#1cf5cf0105ccb4debdf6db162525bd41e6ddacc6"
+  integrity sha512-6BVcgOAVFXjI0JTjEvZy901Rghm+7fDQOrNIcxB4+gdhj6Kwp6T9VBhBY/AbagKHJocRkDYGd6wvI+p4/10xtQ==
 
 domutils@1.5.1:
   version "1.5.1"