[gimp] (3 commits) Non-fast-forward update to branch wip/Jehan/jumping-cursor-label

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/jumping-cursor-label' 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:

  f9b82f2... app: avoid jumping of label.

Commits added to the branch:

  bbc89b3... app: avoid jumping of label.
  e8dba29... app: get rid of macOS-only specific workaround code.
  c57aa0f... app: handle non-pixel cases to compute a reasonable max siz