[gnome-builder] (6 commits) Non-fast-forward update to branch wip/chergert/tasks

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/tasks' 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:

  7b7d764... threading: add new threadpool kinds
  2391192... threading: add IdeTask as basis for new tasking design
  0989a8d... libide: port to IdeTask
  1a4426e... plugins: port most plugins to IdeTask

Commits added to the branch:

  552b630... layout: avoid jumps in natural size (*)
  b37fa76... Release 3.28.0 (*)
  761f535... threading: add new threadpool kinds
  6c3d39b... threading: add IdeTask as basis for new tasking design
  8c9a105... libide: port to IdeTask
  ccb6f26... plugins: port most plugins to IdeTask

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