Updated mediawiki/extensions
Project: mediawiki/extensions/GeoData  12b0c5fa6ae970b34c8ca125f4ac3f5cd3ceb467

Migrate to JSON i18n

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

Change-Id: I78389b27d3136b51fb2c569c4fc64a3aeaf61272