Update i18n shim
Update i18n shim

A performance issue was fixed in the shim(s) generated by
generateJsonI18n.php, so it needed to be updated.

Change-Id: I233ff870287c2758545e1c1d168149244065d0a1

wikimedia/mediawiki-extensions-ParserFun,wikimedia/mediawiki-extensions-ParserFun