Bump dompurify from 2.3.10 to 3.1.6 in /client

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.3.10 to 3.1.6.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.3.10...3.1.6)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: indirect
...

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

client/yarn.lock

@@ -5279,14 +5279,14 @@ domhandler@^5.0.2, domhandler@^5.0.3:
     domelementtype "^2.3.0"
 
 dompurify@^2.2.0:
-  version "2.3.10"
-  resolved "https://registry.npmjs.org/dompurify/-/dompurify-2.3.10.tgz"
-  integrity sha512-o7Fg/AgC7p/XpKjf/+RC3Ok6k4St5F7Q6q6+Nnm3p2zGWioAY6dh0CbbuwOhH2UcSzKsdniE/YnE2/92JcsA+g==
+  version "2.5.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.5.6.tgz#8402b501611eaa7fb3786072297fcbe2787f8592"
+  integrity sha512-zUTaUBO8pY4+iJMPE1B9XlO2tXVYIcEA4SNGtvDELzTSCQO7RzH+j7S180BmhmJId78lqGU2z19vgVx2Sxs/PQ==
 
 dompurify@^3.0.6:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.3.tgz#cfe3ce4232c216d923832f68f2aa18b2fb9bd223"
-  integrity sha512-5sOWYSNPaxz6o2MUPvtyxTTqR4D3L77pr5rUQoWgD5ROQtVIZQgJkXbo1DLlK3vj11YGw5+LnF4SYti4gZmwng==
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.6.tgz#43c714a94c6a7b8801850f82e756685300a027e2"
+  integrity sha512-cTOAhc36AalkjtBpfG6O8JimdTMWNXjiePT2xQH/ppBGi/4uIpmj8eKyIkMJErXWARyINV/sB38yf8JCLF5pbQ==
 
 domutils@^3.0.1:
   version "3.1.0"