DOC: Update release date for 2.0.2 (pandas-dev#53413)

Author: datapythonista

doc/source/whatsnew/v2.0.2.rst

@@ -1,6 +1,6 @@
 .. _whatsnew_202:
 
-What's new in 2.0.2 (May 26, 2023)
+What's new in 2.0.2 (May 29, 2023)
 -----------------------------------
 
 These are the changes in pandas 2.0.2. See :ref:`release` for a full changelog