Updated mediawiki/extensions
Project: mediawiki/extensions/UserPageViewTracker  a2d4e8d098e65dcbbb08e63212f96a9411c30f6b

Migrate to JSON i18n

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

Change-Id: I2dc8efe350b554f8aaacc708eec72a3069bb5b62