Updated mediawiki/extensions
Project: mediawiki/extensions/DataValues  4d970f08f24efbd7f708da7b8c26b05176c586f2

[time.js] added time.Time.validate and use it in time.Time constructor

time.Time.validate checks whether a given plain object representing a time makes sense. If not, an
error will be thrown.

Change-Id: I1431c9f9bdeff711713a4f5c56ae8b1c63bcb533