Updated mediawiki/extensions
Project: mediawiki/extensions/TranslationNotifications  b1294bba474a2260bc35beb116b8e70a1267d3fb

Migrate to JSON i18n

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

Change-Id: I743e04526cd33fa0aee3f4a686deebdf3950a82c