Updated mediawiki/extensions
Project: mediawiki/extensions/ErrorHandler  04c5a704d92bfe300e9610894a4adae522127a8d

Migrate to JSON i18n

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

Change-Id: I2bbe3433ea3be52cd9ec1f60b34524d404d97e88