Updated mediawiki/extensions
Project: mediawiki/extensions/SemanticHighcharts  0f6e4c17462787aade23e2aa745ce76af6216cf4

Migrate to JSON i18n

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

Change-Id: I4a9a263da7f20cacdc947b073b4baef0768cc9d7