Bump dompurify from 2.2.2 to 2.2.6

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.2.2 to 2.2.6.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.2.2...2.2.6)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -2842,9 +2842,9 @@ domhandler@^2.3.0:
     domelementtype "1"
 
 dompurify@^2.0.1:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.2.2.tgz#cb8c2b1a2f3c8a0b565127504ae4eedec176a972"
-  integrity sha512-BsGR4nDLaC5CNBnyT5I+d5pOeaoWvgVeg6Gq/aqmKYWMPR07131u60I80BvExLAJ0FQEIBQ1BTicw+C5+jOyrg==
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.2.6.tgz#54945dc5c0b45ce5ae228705777e8e59d7b2edc4"
+  integrity sha512-7b7ZArhhH0SP6W2R9cqK6RjaU82FZ2UPM7RO8qN1b1wyvC/NY1FNWcX1Pu00fFOAnzEORtwXe4bPaClg6pUybQ==
 
 domutils@1.5.1:
   version "1.5.1"