Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  78cf447ef0ab7441bf5cf72c2bb8cb70ae288eb9

Fix change summary in SpecialSetSiteLink if no badges are set

ChangeOpSiteLink expects to get null if we don't want to set
badges, not an empty array.

Bug: 62546
Change-Id: I157ae05b4bf20a296d4270df21898ed31c22a967