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: I9d42f8a15b55fa62694113e4c63ae2de48949b86

wikimedia/mediawiki-extensions-GlobalUsage,WouterRademaker/mediawiki-extensions-GlobalUsage,wikimedia/mediawiki-extensions-GlobalUsage,WouterRademaker/mediawiki-extensions-GlobalUsage