Updated mediawiki/extensions
Project: mediawiki/extensions/SlimboxThumbs  4026159211a5e34ccca48b76e9a58afef8033f35

Migrate to JSON i18n

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

Change-Id: I6e692173380b395a86d81e8695c735f896939900