[releng] (4 commits) Non-fast-forward update to branch abderrahim/update-stable

[Abderrahim Kitouni <akitouni src gnome org>]

The branch 'abderrahim/update-stable' 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:

  6226a19... convert-to-tarballs: add --update option to update existing

Commits added to the branch:

  9e4bbe5... tarball-conversion-stable.config: NetworkManager and graphe (*)
  c7cec90... tarball-conversion-stable.config: Add meson 0.47 (*)
  01bb58c... 3.30.2 (*)
  c855dfe... convert-to-tarballs: support updating tarball elements

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