Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaMessages  7063a439f7a60f2e0f6130f24c09dd2717c835a1

(Bug 45270) Add messages for new user group

Introduced with https://gerrit.wikimedia.org/r/#/c/50196/

Change-Id: If1b609626e929839e8f32fc3ceac173bac7cfa1f