Updated mediawiki/extensions
Project: mediawiki/extensions/Math  ae930172fd73d372ad531240a64c178053ac6385

Adjust caching times for svg images

In the first period we set the caching time for server-side
caching to 1 week and the value for client-side caching
to 1 hour.

Change-Id: Ieab63dfe9a00f31d64945180d7b0d98b9fe62b39