Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  35e6204055232d3d0d857b4768beb94db6bd0536
null
Use async upload-from-stash

Change Iae38b93d adds async upload-from-stash support,
use it in UploadWizard.

Change-Id: Ic696d320688f337b42df9bf9601a6600ecee15ed