Updated mediawiki/extensions Project: mediawiki/extensions/UniversalLanguageSelector c3322ba830a1d9373a3f62363c3713030fa80781

Migrate to JSON configuration based extension registration

Retaining the UniversalLanguageSelector.php and Resources.php
to avoid breaking support for old MW versions. At some point,
we can validate how many old MW versions we need to support.

Bug: T87987
Change-Id: I006e968b70298b54013177aa792a4dfdf5b6aae2