Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  7124ece961eb2ea685b0ec98973d92c24f9dce6a

Switch to core's version of moment.js

Depends on core change I6aa36d34bfbe8334c87d6ca449ec19b6a8daf8e7

Change-Id: I850d318a523e51c064e57fb888c7a10c79df6f72