build(deps): bump dompurify from 2.0.12 to 2.2.6

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.12 to 2.2.6.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.0.12...2.2.6)

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

Author: dependabot[bot]

yarn.lock

@@ -2713,9 +2713,9 @@ domexception@^2.0.1:
     webidl-conversions "^5.0.0"
 
 dompurify@^2.0.8:
-  version "2.0.12"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.0.12.tgz#284a2b041e1c60b8e72d7b4d2fadad36141254ae"
-  integrity sha512-Fl8KseK1imyhErHypFPA8qpq9gPzlsJ/EukA6yk9o0gX23p1TzC+rh9LqNg1qvErRTc0UNMYlKxEGSfSh43NDg==
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.2.6.tgz#54945dc5c0b45ce5ae228705777e8e59d7b2edc4"
+  integrity sha512-7b7ZArhhH0SP6W2R9cqK6RjaU82FZ2UPM7RO8qN1b1wyvC/NY1FNWcX1Pu00fFOAnzEORtwXe4bPaClg6pUybQ==
 
 dot-case@^3.0.3:
   version "3.0.3"