Backport PR pandas-dev#49843 on branch 1.5.x (DOC: Add whatsnew for 1.5.3) (pandas-dev#49846)

Backport PR pandas-dev#49843: DOC: Add whatsnew for 1.5.3

Co-authored-by: Patrick Hoefler <[email protected]>

Author: meeseeksmachine

doc/source/whatsnew/index.rst

@@ -16,6 +16,7 @@ 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