Updated mediawiki/extensions
Project: mediawiki/extensions/SemanticUpdateOnPurge  62469d8241cfea24cb92d7d16f4341d74f7f95e2

Migrate to JSON i18n

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

Change-Id: I70ebfdb0767f0d1a0215694e353af9748ad0d69a