Updated mediawiki/extensions
Project: mediawiki/extensions/Mpdf  938bea2a4e31b38dc92fbb84d48afb58635f3106

Migrate to JSON i18n

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

Change-Id: I969d567296a56abd3bbd070ea79301afb4cbc607
Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  c07e3a367f7c18eb7f1fa87e4d4aeee561663017

Fix breakage on beta due to type hint being too strict

Change-Id: I2ed0b80e61fed2dfca00095ff172a7f1d047250f