Merge branch 'spinning-spinner' into 'master'

Rename GtkSpinner::active to ::spinning

See merge request GNOME/gtk!1475

diff --cc demos/gtk-demo/dnd.c
Simple merge

diff --cc docs/reference/gtk/gtk4-sections.txt
Simple merge

diff --cc gtk/gtkplacesview.c
Simple merge

diff --cc tests/testtooltips.c
Simple merge