Updated mediawiki/extensions
Project: mediawiki/extensions/ApiSandbox  1bf5a3e93cb9e8f2d7e7e92ff27d5f317f1a239e

Use jquery.spinner module instead of skins/common/images/spinner.gif

Bug: 69672
Change-Id: If36ddaa241b215770115da1b19a4810e086fc441