[pygobject] (9 commits) Non-fast-forward update to branch wip/jfelder/template-gtk4

[Christoph Reiter <creiter src gnome org>]

The branch 'wip/jfelder/template-gtk4' 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:

  9eed610... gtk overrides: Make GTK4 widgets iterable
  3243851... Gtk.Template: Fix template support for GTK4
  1fb4da1... gtk overrides: Add support for builder scope
  4ebb2c5... tests: Do not swap signal when object is set
  3b5ab03... tests: Update builer tests to work with gtk4
  362bd34... tests: Do not use the margin property for template tests
  4dfe2d0... tests: Do not use container api when gtk4 is used
  6ea369f... tests: Re-enable template tests for gtk4

Commits added to the branch:

  0453702... gtk overrides: Make GTK4 widgets iterable (*)
  7df0016... examples/demo: Use require_version to force gtk3 (*)
  99dbe1a... Gtk.Template: Fix template support for GTK4
  e307787... gtk overrides: Add support for builder scope
  e4b6e5e... tests: Do not swap signal when object is set
  508fe20... tests: Update builer tests to work with gtk4
  20ada75... tests: Do not use the margin property for template tests
  acaddce... tests: Do not use container api when gtk4 is used
  ca3e1f8... tests: Re-enable template tests for gtk4

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