GNOME/gtkmm 4.22.0

on GNOME GitLab

Some unstable API has been removed.
The corresponding API was removed in gtk 4.22.0.

Gtk:

• Add TryExpression.
  
• FileFilter: Add add_mime_types().
  
• SearchEntry2: Add property_key_capture_widget().
  
• Svg: Add get_state_names(). Remove get_n_states().
  (Kjell Ahlstedt)
  

Documentation:

• Gtk::GestureClick: Improve the class description.
  (Kjell Ahlstedt) Issue #168 (gkv311)
  

Tests:

• Add test of Gtk::TryExpression.
  (Kjell Ahlstedt)
  

Build:

• Require gtk4 >= 4.22.0
  
• Fix build with build-deprecated-api=false.
  (Kjell Ahlstedt)