Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  90912b76a738bceb91a9193576f1fb5b8623db85

Allow mention notifications from project pages

(Such as Wikipedia:AN, Wikipedia:AN/I, Wikipedia:RfA, etc.)

Bug: 47964
Change-Id: If4e404b4fc8f4e16800f340f9a1050f66f663213