[glib] (6 commits) ...Merge branch 'wip/hadess/add-sudo-fedora-docker' into 'master'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  d38d6bf... ci: Add gnome-desktop-testing to the Fedora docker image (*)
  aa8908f... ci: Update the Fedora docker to a supported version (*)
  fd4d686... ci: Add sudo support for default Fedora docker user (*)
  c625c37... ci: Remove python3{,-pip} from list of packages (*)
  cd11067... ci: Use new Fedora v5 Docker image for all CI jobs (*)
  8c68e30... Merge branch 'wip/hadess/add-sudo-fedora-docker' into 'mast

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