Updated mediawiki/extensions
Project: mediawiki/extensions/Nostalgia  3adaa55f3a0b04750420ed99be8a1a2390a1ce94

Migrate to JSON i18n

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

Change-Id: I99f37fecf78367d21c2e564b15084fe8eb56bcaf