[gnome-boxes] (10 commits) Non-fast-forward update to branch update-qemu-to-4.1.0

[Felipe Borges <felipeborges src gnome org>]

The branch 'update-qemu-to-4.1.0' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b7a00ce... flatpak: Update qemu to 4.1.0

Commits added to the branch:

  a391cb9... installer-media: Add supports_efi() method (*)
  1dbf1ae... vm-configurator: Pass DomainCapabilities to create_domain_c (*)
  921d0ed... vm-configurator: Pass DomainCapabilities set_os_config() (*)
  c8e5210... vm-configurator: Add domain_caps_supports_efi() (*)
  4f71f40... vm-configurator: Add supports_efi() (*)
  7cb4595... vm-configurator: Use UEFI when possible (*)
  f82fd2e... vm-creator: Retrieve and use the DomainCapabilities (*)
  dba00e7... meson: Add 'uefi' build option (*)
  d2ff454... flatpak: Use libosinfo & libvirt-glib from git (*)
  15f113e... flatpak: Update qemu to 4.1.0

(*) This commit already existed in another branch; no separate mail sent