Updated mediawiki/extensions
Project: mediawiki/extensions/GoogleCustomWikiSearch  9121bff67ed85ab2419e3a61b5f530c00ed742d3

Migrate to JSON i18n

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

Change-Id: I988d36038987edec6d42a754226b1ee82bbf2244