Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaMessages  e2d46107b0388c18584e3ee5e3cc103a2ac99e90

i18n: Convert links from http to https

Some hyperlink references in WikimediaMessages were converted
from http to https. Also fixed a deadlink to the Free Art License.
Left the link to CeCILL alone since that did not support https.

Change-Id: I78ce666f9e9f41430679711bdda5c3cf2f6ae459