Updated mediawiki/extensions
Project: mediawiki/extensions/ContactPage  6c3667c43e955c11a68f52fbf5cdb56a7acbdde4

Migrate to JSON i18n

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

Change-Id: I80e18777831bfe90c693e8ae614ccc61c3f73793