bpo-34829: Add missing selection_ methods to the Tkinter Spinbox. (GH-9617)

Implement the methods selection_from(), selection_range(), selection_present()
and selection_to() for Tkinter Spinbox.
diff --git a/Misc/ACKS b/Misc/ACKS
index 272130f..5014584 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1094,6 +1094,7 @@
 Zubin Mithra
 Florian Mladitsch
 Doug Moen
+Juliette Monsel
 The Dragon De Monsyne
 Bastien Montagne
 Skip Montanaro