Backport PR #53432 on branch 2.0.x (DOC: Add release notes for pandas 2.0.3) (#53454)

Backport PR #53432: DOC: Add release notes for pandas 2.0.3

Co-authored-by: Marc Garcia <[email protected]>

Author: meeseeksmachine

doc/source/whatsnew/index.rst

@@ -16,6 +16,7 @@ Version 2.0
 .. toctree::
    :maxdepth: 2
 
+   v2.0.3
    v2.0.2
    v2.0.1
    v2.0.0

doc/source/whatsnew/v2.0.0.rst

@@ -1411,4 +1411,4 @@ Other
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v1.5.0rc0..v2.0.0|HEAD
+.. contributors:: v1.5.0rc0..v2.0.0

doc/source/whatsnew/v2.0.1.rst

@@ -65,4 +65,4 @@ Other
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v2.0.0..v2.0.1|HEAD
+.. contributors:: v2.0.0..v2.0.1

doc/source/whatsnew/v2.0.2.rst

@@ -53,4 +53,4 @@ Other
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v2.0.1..v2.0.2|HEAD
+.. contributors:: v2.0.1..v2.0.2

doc/source/whatsnew/v2.0.3.rst

@@ -0,0 +1,38 @@
+.. _whatsnew_203:
+
+What's new in 2.0.3 (July XX, 2023)
+-----------------------------------
+
+These are the changes in pandas 2.0.3. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_203.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_203.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_203.other:
+
+Other
+~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_203.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v2.0.2..v2.0.3|HEAD