move whatsnew from 0.24.0 to 0.24.1

Author: charlesdong1991

doc/source/whatsnew/v0.24.0.rst

@@ -1231,7 +1231,6 @@ ways of adding operator support.
 - :meth:`Series.unstack` and :meth:`DataFrame.unstack` no longer convert extension arrays to object-dtype ndarrays. Each column in the output ``DataFrame`` will now have the same dtype as the input (:issue:`23077`).
 - Bug when grouping :meth:`Dataframe.groupby()` and aggregating on ``ExtensionArray`` it was not returning the actual ``ExtensionArray`` dtype (:issue:`23227`).
 - Bug in :func:`pandas.merge` when merging on an extension array-backed column (:issue:`23020`).
-- Bug in :func:`pandas.merge` doesn't work correctly if None is in suffixes (:issue: `24782`).
 
 
 .. _whatsnew_0240.deprecations:

doc/source/whatsnew/v0.24.1.rst

@@ -69,8 +69,7 @@ Bug Fixes
 
 **Other**
 
--
--
+- Bug in :func:`pandas.merge` doesn't work correctly if None is in suffixes (:issue: `24782`).
 
 .. _whatsnew_0.241.contributors: