Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  6e8aa9b808e41f9b2e388c68e07b7c8ae5e4107d

(bug 46046) Notification should not be created for anon users

Anon users would not see or receive notifications, it is a waste of storage space

Change-Id: Id150be111337f434d0f1471bb8049ed75a0c53a5