Backport PR #36183: DOC: Start 1.1.3 (#36242)

Co-authored-by: Simon Hawkins <[email protected]>

Author: meeseeksmachine

doc/source/whatsnew/index.rst

@@ -16,6 +16,7 @@ Version 1.1
 .. toctree::
    :maxdepth: 2
 
+   v1.1.3
    v1.1.2
    v1.1.1
    v1.1.0

doc/source/whatsnew/v1.1.2.rst

@@ -61,4 +61,4 @@ Other
 Contributors
 ~~~~~~~~~~~~
 
-.. contributors:: v1.1.1..v1.1.2|HEAD
+.. contributors:: v1.1.1..v1.1.2

doc/source/whatsnew/v1.1.3.rst

@@ -0,0 +1,42 @@
+.. _whatsnew_113:
+
+What's new in 1.1.3 (??)
+------------------------
+
+These are the changes in pandas 1.1.3. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_113.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_113.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_113.other:
+
+Other
+~~~~~
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_113.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v1.1.2..v1.1.3|HEAD