Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  e3a4081be153eae7d6ad03df2446ba896bad8572

Use a valid spdx license idenfitier

See https://spdx.org/licenses/, as recommended by "composer validate"

Change-Id: I34c0d6952dd29c39dba403f61a712e2aafe3f455