Updated mediawiki/extensions
Project: mediawiki/extensions/TrustedXFF  28270a745548040348c05c4bb718cf0798afc868

Migrate to JSON i18n

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

Change-Id: I5f5863a72fbd6374fa7f22ac6ab127416dbf04bf