Updated mediawiki/extensions
Project: mediawiki/extensions/ApiExplorer  8eed9399c9c29bc93dfca625d70215372683ba46

Migrate to JSON i18n

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

Change-Id: I7781a228fde7082c4bd7c0e2371b7d2823272531