[gnome-build-meta] (5 commits) Non-fast-forward update to branch abderrahim/ci-improvements

[Abderrahim Kitouni <akitouni src gnome org>]

The branch 'abderrahim/ci-improvements' 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:

  1e05c74... WIP: only install bst/flat-manager in jobs that need them

Commits added to the branch:

  14aea00... .gitlab-ci.yml: only install bst/flat-manager in jobs that 
  c162605... .gitlab-ci.yml: run the cve report job on stable branches a
  296d396... .gitlab-ci.yml: simplify the cve report job
  e7653c9... .gitlab-ci.yml: cache the cve database
  c48d719... .gitlab-ci.yml: use `bst pull` in flatpak and cve jobs