Updated mediawiki/extensions
Project: mediawiki/extensions/UIFeedback  c5ba8ced30168f96ab6b447bb55c5b864488fea6

Upgrade html2canvas to remove XSS

* Upgrade html2canvas to v0.4.1
* This removes an XSS in the current version, along with various other
  upstream changes.
* I confirmed that the screenshot rendering still works.  It's better
  in some ways (e.g. gradients), though there's at least one new issue
  (search icon and 'Go' both render on top of each other).

Change-Id: I257c1e6bbba396fc341775b637128a770db52b71