Updated mediawiki/extensions
Project: mediawiki/extensions/SecureSessions  6a116c912c46a7f2751aad4b96a28889b660cadb

Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: If857d7fcee0b202643f31fcb3e00f7966c9052e5