Bump dompurify from 2.0.12 to 2.0.14

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.12 to 2.0.14.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.0.12...2.0.14)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "css-vars-ponyfill": "^2.3.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.2.1",
     "debounce": "^1.2.0",
-    "dompurify": "^2.0.12",
+    "dompurify": "^2.0.14",
     "escape-html": "^1.0.3",
     "handlebars": "^4.7.6",
     "jcrop": "git+https://github.com/ChristophWurst/Jcrop.git#v0.9.12-npm3",