Merge pull request #13464 from nextcloud/dependabot/npm_and_yarn/bootstrap-3.4.0

[Security] Bump bootstrap from 3.3.7 to 3.4.0

Author: rullzer

core/js/dist/main.js

@@ -25,7 +25,7 @@
     "autosize": "^4.0.2",
     "backbone": "^1.2.3",
     "blueimp-md5": "^2.7.0",
-    "bootstrap": "^3.3.7",
+    "bootstrap": "^3.4.0",
     "clipboard": "^1.7.1",
     "css-vars-ponyfill": "^1.7.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.1.2",