Updated mediawiki/extensions
Project: mediawiki/extensions/YetAnotherKeywords  1555bc4d9687cb5db5b6074dcd6545bd743d0651

Migrate to JSON i18n

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

Change-Id: I4d1c44ac68211e4168d469a6844b33cb71ed09b9