Updated mediawiki/extensions
Project: mediawiki/extensions/PageCreationNotif  b7f14cba272a7cc3a92253edadf3c3501d7b956e

Migrate to JSON i18n

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

Change-Id: I1597265863ada9ee70094ad9d98b1b519353c147