Bump dompurify from 2.0.15 to 2.1.1

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.0.15 to 2.1.1.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/2.0.15...2.1.1)

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

package-lock.json

@@ -3366,9 +3366,9 @@
       }
     },
     "dompurify": {
-      "version": "2.0.15",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.0.15.tgz",
-      "integrity": "sha512-8AnYW8iXOC7xC7K3FBvQ7+GdmtOsgDGZC5dDXaewCC674qcId7G5mhz5VIEnVShJVjQdlcaPjxpaOzaV9JC3Tg=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.1.1.tgz",
+      "integrity": "sha512-NijiNVkS/OL8mdQL1hUbCD6uty/cgFpmNiuFxrmJ5YPH2cXrPKIewoixoji56rbZ6XBPmtM8GA8/sf9unlSuwg=="
     },
     "duplexify": {
       "version": "3.7.1",

package.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": "^2.0.15",
+    "dompurify": "^2.1.1",
     "escape-html": "^1.0.3",
     "handlebars": "^4.7.6",
     "jcrop": "git+https://github.com/ChristophWurst/Jcrop.git#v0.9.12-npm3",