Updated mediawiki/extensions
Project: mediawiki/extensions/TemplateData  255fc8225fd0c4b170c07e01a51920162e64a8ed

Migrate to JSON i18n

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

Change-Id: I6627353205c79a91da7615833ebfefe3316bff8d