Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  2e69792396d88c3e7d9d6d5d7bd09d45f6406da6

Implemented index parameter in ChangeOpClaim

(requires change Iefeebdcc4c6bc8c477d3f234399bcd403466bd52)
The optional index parameter determines the position of a claim within the subset of claims
whose main snak features the same property.

Change-Id: I53c98c09c96ce21e261e2fc1f02558eae31b568b