Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  bd9100799422e8232673e846e23521ac1ec66793

Stop using EntityDiff and ItemDiff aliases

... if possible. It's not possible in classes that are directly in
the Wikibase namespace.

Change-Id: I8871e1a55ad349e8b463664c497219ee90937978