Updated mediawiki/extensions
Project: mediawiki/extensions/GettingStarted  89f3c29003beea8421e02fe3c7890ca2ec1c2f74

Icon tweaks

Use an SVG icon with a PNG fallback for the following buttons:

* Close
* The "Edit this page" primary CTA
* The "Find pages that need easy fixes" primary and secondary CTAs

Change-Id: I02fab6603fc7802833b4fe32f6a66765b4718172