Updated mediawiki/extensions
Project: mediawiki/extensions/DonationInterface  9f0c04d83eb13c4fc90ce2def67af9c1fa5c25cc

Use ' instead of curved one for consistency

Spotted by Shirayuki in
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Donate_interface-cvv-explain/en_etc.
(the period is part of the URL).

Change-Id: Ie43a074294149be40e67d3d01cc0c445f92e7ba3