[nautilus] (4 commits) Non-fast-forward update to branch meson-test-env

[Carlos Soriano <csoriano src gnome org>]

The branch 'meson-test-env' 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:

  1a6faef... build: Set a couple env vars when running tests

Commits added to the branch:

  e212a3f... Flatpak: Use 3.28 version (*)
  487e907... Flatpak: Install Meson from sources (*)
  2e331b6... CI: Use 3.28 image until master is fixed (*)
  cfa26f0... build: Set a couple env vars when running tests

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