Add deprecation notice for ~ on bool to Doc/whatsnew/3.12.rst

Author: timhoffm

Doc/whatsnew/3.12.rst

@@ -608,6 +608,12 @@ Deprecated
 * The *onerror* argument of :func:`shutil.rmtree` is deprecated as will be removed
   in Python 3.14. Use *onexc* instead. (Contributed by Irit Katriel in :gh:`102828`.)
 
+* The bitwise inversion operator (~) on bool is deprecated. It will throw an
+  error in Python 3.14. Use ``not`` for logical negation of bools instead.
+  In the rare case that you really need the bitwise inversion of the underlying
+  ``int``, convert to int explicitly ``~int(x)``. (Contributed by Tim Hoffmann
+  in :gh:`103487`.)
+
 
 Pending Removal in Python 3.13
 ------------------------------