Bump dompurify from 2.0.14 to 2.0.15

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.14 to 2.0.15.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.0.14...2.0.15)

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

package.json

@@ -42,7 +42,7 @@
 		"@nextcloud/vue": "^2.6.1",
 		"@nextcloud/vue-dashboard": "^0.1.8",
 		"blueimp-md5": "^2.17.0",
-		"dompurify": "^2.0.14",
+		"dompurify": "^2.0.15",
 		"lodash": "^4.17.20",
 		"markdown-it": "^11.0.0",
 		"markdown-it-task-lists": "^2.1.1",