DOC: add entry to visualization bug fixes (pandas-dev#45809)

Author: Andy-Grigg

doc/source/whatsnew/v1.5.0.rst

@@ -375,7 +375,7 @@ Plotting
 - Bug in :meth:`DataFrame.plot.box` that prevented labeling the x-axis (:issue:`45463`)
 - Bug in :meth:`DataFrame.boxplot` that prevented passing in ``xlabel`` and ``ylabel`` (:issue:`45463`)
 - Bug in :meth:`DataFrame.boxplot` that prevented specifying ``vert=False`` (:issue:`36918`)
--
+- Bug in :meth:`DataFrame.scatter` that prevented specifying ``norm`` (:issue:`45809`)
 
 Groupby/resample/rolling
 ^^^^^^^^^^^^^^^^^^^^^^^^