Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  b40fabf8e8aa29b37ed76943e45c2a5ccb3b5f67

Specify the allowed badges as valid parameters for wbsetsitelink

Makes it more obvious to see which values actually are allowed.
With tests.

Change-Id: Id59fdf71d46054c8c916050345ecde041e493050