Bump @bower_components/bowser from 1.9.4 to 2.1.2 in /build

Bumps [@bower_components/bowser](https://github.com/ded/bowser) from 1.9.4 to 2.1.2.
- [Release notes](https://github.com/ded/bowser/releases)
- [Changelog](https://github.com/lancedikson/bowser/blob/master/CHANGELOG.md)
- [Commits](bowser-js/bowser@1fb99ce...d57235b)

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

build/package.json

@@ -16,7 +16,7 @@
     "@bower_components/base64": "davidchambers/Base64.js#1.0.2",
     "@bower_components/blueimp-md5": "blueimp/JavaScript-MD5#2.10.0",
     "@bower_components/bootstrap": "twbs/bootstrap#3.3.7",
-    "@bower_components/bowser": "ded/bowser#1.9.4",
+    "@bower_components/bowser": "ded/bowser#2.1.2",
     "@bower_components/browser-update": "Graffino/Browser-Update#2.0.2",
     "@bower_components/clipboard": "zenorocha/clipboard.js#v2.0.4",
     "@bower_components/davclient.js": "owncloud/davclient.js#0.1.3",

build/yarn.lock

@@ -28,9 +28,10 @@
   version "3.3.7"
   resolved "https://codeload.github.com/twbs/bootstrap/tar.gz/0b9c4a4007c44201dce9a6cc1a38407005c26c86"
 
-"@bower_components/bowser@ded/bowser#1.9.4":
-  version "1.9.4"
-  resolved "https://codeload.github.com/ded/bowser/tar.gz/1fb99ced0e8834fd9662604bad7e0f0c3eba2786"
+"@bower_components/bowser@ded/bowser#2.1.2":
+  version "2.1.2"
+  uid d57235b4239fca168fe9ebd6c8b95ab5fe8a0b44
+  resolved "https://codeload.github.com/ded/bowser/tar.gz/d57235b4239fca168fe9ebd6c8b95ab5fe8a0b44"
 
 "@bower_components/browser-update@Graffino/Browser-Update#2.0.2":
   version "2.0.2"