DOC: Add whatsnew for 1.5.3 (pandas-dev#49843)

Author: phofl

doc/source/whatsnew/index.rst

@@ -24,6 +24,7 @@ Version 1.5
 .. toctree::
    :maxdepth: 2
 
+   v1.5.3
    v1.5.2
    v1.5.1
    v1.5.0

doc/source/whatsnew/v1.5.3.rst

@@ -0,0 +1,41 @@
+.. _whatsnew_153:
+
+What's new in 1.5.3 (December ??, 2022)
+---------------------------------------
+
+These are the changes in pandas 1.5.3. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_153.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_153.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_153.other:
+
+Other
+~~~~~
+-
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_153.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v1.5.2..v1.5.3|HEAD