Updated mediawiki/extensions
Project: mediawiki/extensions/ThrottleOverride  52ceb5f180e69831c69397e70d981d6ed0a09d64

Migrate to JSON i18n

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

Change-Id: I73c06fa216300f8ed7e6478a5ec46c3a97223226