Updated mediawiki/extensions
Project: mediawiki/extensions/ReplaceSet  76218a6e94c052ff15218ee75b97d5f352f8103e

Migrate to JSON i18n

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

Change-Id: Ia57157c7cc871bd81f5f50d6a5bb4b8b38ff07d0