Bump dompurify from 2.0.11 to 2.0.12

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.11 to 2.0.12.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.0.11...2.0.12)

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

package.json

@@ -41,7 +41,7 @@
 		"@nextcloud/router": "^1.1.0",
 		"@nextcloud/vue": "^2.1.0",
 		"blueimp-md5": "^2.16.0",
-		"dompurify": "^2.0.11",
+		"dompurify": "^2.0.12",
 		"lodash": "^4.17.15",
 		"markdown-it": "^11.0.0",
 		"markdown-it-task-lists": "^2.1.1",