Updated mediawiki/extensions
Project: mediawiki/extensions/SearchExtraNS  0dd5494cbaf6ed7328507cb2ffa261762212f061

Migrate to JSON i18n

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

Change-Id: I5d353a26afd4727093ce97bedb600dc3672c9fb2