Updated mediawiki/extensions
Project: mediawiki/extensions/LastModified  efbdfc2686c6adb78924ae26455da3a2cd417a53

Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: Ica7dd00bfcff618b8b54474bc3ba4b524500c741