[gtkmm] Created tag 4.6.1

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '4.6.1' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1647860673 +0100

    4.6.1

Changes since the last tag '4.6.0':

Baldvin Kovacs (1):
      Fix object ownership in the wrapper of the render signal.

Kjell Ahlstedt (9):
      CI: Install modules required for building gtk4
      Merge branch 'master' into 'master'
      meson.build: Don't use deprecated execute(..., gui_app: ...)
      meson.build: Check if Perl is required for building documentation
      CI: Select latest released version of libsigc++3
      enum Gdk::GLAPI: Name clash with epoxy/gl.h
      Gtk::Application::make_window_and_run(): Delay the deletion
      CI: Use artifacts to transfer data between stages
      4.6.1