Updated mediawiki/extensions
Project: mediawiki/extensions/PageInCat  b59121a0035e71e05ea1d3c3b7c6fbe2b6fd92f9

Migrate to JSON i18n

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

Change-Id: I1d2a85b8a3339c730ef1c4231470ef57db15bb2b