Backport PR pandas-dev#52893 on branch 2.0.x (DOC: Add whatsnew for 2.0.2) (pandas-dev#52896)

Backport PR pandas-dev#52893: DOC: Add whatsnew for 2.0.2

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

Author: meeseeksmachine

doc/source/whatsnew/index.rst

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

doc/source/whatsnew/v2.0.2.rst

@@ -0,0 +1,38 @@
+.. _whatsnew_202:
+
+What's new in 2.0.2 (May ..., 2023)
+-----------------------------------
+
+These are the changes in pandas 2.0.2. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_202.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_202.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_202.other:
+
+Other
+~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+.. _whatsnew_202.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v2.0.1..v2.0.2|HEAD