Updated mediawiki/extensions
Project: mediawiki/extensions/TocTree  25768fdfa36d82641fd4fb0397f4ca0d111e2187

Migrate to JSON i18n

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

Change-Id: I6a0e689fa604da0f4ae85a3759685e9cfbfef281