Updated mediawiki/extensions
Project: mediawiki/extensions/PubSubHubbub  07d6db8667df0a754f4808a1fdedec0f405da11b

Migrate to JSON i18n

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

Change-Id: I0a556f76f48be133383a6b677252b4494bd15e81