Updated mediawiki/extensions
Project: mediawiki/extensions/PGFTikZ  0195cb4e94a479f4294ddc7aadfff5c7ea3cff1c

Migrate to JSON i18n

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

Change-Id: I9506369d5bb65fcfd39b403d7198ba8602294be2