Updated mediawiki/extensions
Project: mediawiki/extensions/Calendar  63d87dea994a87cc1c8d412e3cb9eb7400e25377

Link to the correct Extension: page.

The URL changed post move over, update it so we know more about
this extension.

Bug: 49487

Change-Id: I50480e0486927c1762629ffe4f0f85e0ad2ccb20