Updated mediawiki/extensions
Project: mediawiki/extensions/LocalisationUpdate  7779318b9f63e030d87c4954a5026a4c6b9f0561

Migrate to JSON i18n

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

Change-Id: Ie9f1c9e9aeab835f292005790f99fca972b20105