Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  f9a56481009fcdd9aba8952a05c7d630e702897e

(bug 47135) Make row IDs use BIGINT.

DEPLOYMENT: db schema change, see repo/sql/MakeRowIDsBig.sql

Change-Id: Iffe0e72688ea5502f4465835408f0819425f6ee6