Updated mediawiki/extensions
Project: mediawiki/extensions/UIFeedback  6788ea8967cf28bfb874b25a93b91b83dc8fa05d

Apply coding conventions

* Encode U+1F4F7 as \1f4f7 in CSS

Change-Id: I2d4f808065fc1a2bbba7c4dca0c08fd290d084ab