Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  910cf7d3f73f16124d87c1894e1c71dc07db5c31

Make use of serializers when generating result in the API

* missing: do this also for sitelinks (see follow-up)

Change-Id: I20200f4545305e08abf7ab4f57a1434bb6e5832b