Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  a97318da79707859050098f7997cf913895381c8

Set the firefox chrome timeout, too

This was removed in https://gerrit.wikimedia.org/r/#/c/112861/8..9, but is
necessary for Firefox not popping up a warning about unresponsive scripts.

Change-Id: If38c6b7f5dd6400f9d79a761297a3b50855099df