Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  1987cfb8dbf87ff95017c3d3aa5a5dbb317fc31e

Change requirements.txt so that PIL actually installs on Cloudbees

Bug: 58923
Change-Id: Ic8f2e7261ad1e3620496edf9074f5f715da0b519