trivial: Fix the DFU A3BU self test failure
trivial: Fix the DFU A3BU self test failure

The .cab file was re-uploaded with the same version to the LVFS to test the
LVFS::InhibitDownload functionality, but of course the SHA1 hash changed.

hughsie/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd,vathpela/fwupd,fwupd/fwupd,vathpela/fwupd,hughsie/fwupd,hughsie/fwupd,vathpela/fwupd,vathpela/fwupd,hughsie/fwupd