Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  31e29dd07323ac71ae684c079bde0c15f2072340

Fix spelling in wikibase-item-summary-wbmergeitems-to message

This should be "into" instead of "in to".

Change-Id: Id77313c5a452fed09b067601886c00867f2faa1c