Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  319772b9b6c40fe0daf696af53f7e4dd00da2dfc

Add a way to easily test Special:TranslationStash in tests

Allow adding testing usernames to $wgTranslateTestUsers
and then using it with ?integrationtesting=activatestash.

Change-Id: I1ca4f9e6796250ffdc8af2e1383c87acb02314be