[pygobject] (50 commits) Non-fast-forward update to branch wip/type-object-concurrency-fix

[Ray Strode <halfline src gnome org>]

The branch 'wip/type-object-concurrency-fix' 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:

  eb791e7... IntrospectionModule: handle two threads loading type at sam

Commits added to the branch:

  12930c0... Update NEWS and bump version (*)
  6ffc87e... Drop Python 3.5 support and bump other dependencies (*)
  4208cf1... Revert the dependency bump for libffi (*)
  b991b9d... CI: test with Python 3.9 (*)
  2913e72... Don't call PyEval_InitThreads() with Python 3.9+ (*)
  c945c99... Replace PyUnicode_GET_SIZE() usage with PyUnicode_GET_LENGT (*)
  5657e62... gtk overrides: Remove Container use for GTK4 (*)
  b60e403... Add Nicotine+ to "Who Is Using PyGObject?" (*)
  030aa5f... tests: Remove metapath hack to import when uninstalled (*)
  c464187... tests: remove an old libtool search path (*)
  ebc0eed... tests: Remove usage of some deprecated unittest methods (*)
  e28fe69... CI: bring back lcov support (*)
  80e48fd... CI: clean up the msys2 job scripts (*)
  c28e4da... add Terminator to list of pygobject projects (*)
  ba67301... Don't assume Py_TYPE being a macro (*)
  6033ab4... tests: fix tests with glib master (*)
  8b28e38... tests: Work around a crash in the new gtk4 a11y stack (*)
  9b2942b... Simplify the version check for GTK2, GTK3, and GTK4 (*)
  4e9ba15... Remove Container from GTK4 overrides (*)
  3e64ba2... Add GTK4 override for GtkDialog (*)
  5d766d5... Drop the GtkButton override for GTK4 (*)
  01c2140... Clean up version checks some more (*)
  f0056a0... flake8 fixes (*)
  9e3ef2c... gtk4: Remove overrides for Paned (*)
  1dd6dfd... gtk4: Skip template test for now (*)
  d6e029c... tests: various fixes for gtk4 (*)
  2ab352a... Clean up Widget overrides (*)
  d1221d0... overrides: Remove various overrides for gtk4 (*)
  0453702... gtk overrides: Make GTK4 widgets iterable (*)
  7df0016... examples/demo: Use require_version to force gtk3 (*)
  9215e3a... gtk: Add override for Gtk.CustomSorter.set_sort_func (*)
  a4880db... Gtk.Template: Fix template support for GTK4 (*)
  2d9a309... gtk overrides: Add support for builder scope (*)
  dea3b5d... tests: Do not swap signal when object is set (*)
  66fd10e... tests: Update builer tests to work with gtk4 (*)
  1df10f7... tests: Do not use the margin property for template tests (*)
  10932d8... tests: Do not use container api when gtk4 is used (*)
  0a16082... tests: Re-enable template tests for gtk4 (*)
  4a9f5eb... release (*)
  128430e... version bump (*)
  6c17628... tests: fix test with glib 2.68 re GLocalFile (*)
  c45eec0... Fix regression in marshalling partial() objects (*)
  2f37659... Update NEWS (*)
  670efc9... docs: Fix the link to the Terminator project (*)
  91b8381... meson: Bump minimum meson_version to 0.47.0 (*)
  eb5aefa... Expose GObject.Object.run_dispose() (*)
  a2bd7eb... docs: document Gtk.Template. Fixes #396 (*)
  c682706... docs: add an example of using a subclass in a UI definition (*)
  b15e81f... Add poetry support (*)
  1212d1c... IntrospectionModule: handle two threads loading type at sam

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