Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  ee8646bdcd68a4373df5bd7536d8746f49328668

(bug 42063) Enable Special:EntityData in production.

This contains several minor changes:
* take Special:EntityData out of experimental mode
* silence warnings
* skip claims
* resolve protocol-relative URIs

Change-Id: I8ceba8abf3a4f0ab0f472a44d1482cd7169f2da1