Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  1f47a628bf9aae38031a513be1b9ef6c4f81f6bc

Gives names to all important constructors for improved debugging experience

Depends on I78bbf26d8d241574773888a3aa28bc12d34f1b46 in DataValues extension.

Change-Id: Id5859eaf945c7d54aa8858ce9f5fd5aa9725e74e