Bump dompurify from 2.0.1 to 2.0.3

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.1 to 2.0.3.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.0.1...2.0.3)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "clipboard": "^2.0.4",
     "css-vars-ponyfill": "^2.1.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.1.3",
-    "dompurify": "^2.0.1",
+    "dompurify": "^2.0.3",
     "handlebars": "^4.3.4",
     "jcrop": "git+https://github.com/ChristophWurst/Jcrop.git#v0.9.12-npm3",
     "jquery": "2.1.4",