Updated mediawiki/extensions
Project: mediawiki/extensions/SecurePoll  6f76a8ee00467479f6ff153ef6c1e38c7d5444a2

Migrate to JSON i18n

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

Change-Id: Ia614b301905d01e994aa937dadc7b3a90a776bcc