Updated mediawiki/extensions
Project: mediawiki/extensions/I18nTags  56d8446c6ea866afdb00aef1422aac87c1cef945

Migrate to JSON i18n

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

Change-Id: I33374d377daf99791a3b77370e56032bb72ee0c6