Update supported branches with 3.11 (#862)

Author: pablogsal

index.rst

@@ -97,7 +97,9 @@ Status of Python branches
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
 | Branch           | Schedule     | Status      | First release  | End-of-life    | Release manager       |
 +==================+==============+=============+================+================+=======================+
-| main             | :pep:`664`   | features    | *2022-10-03*   | *2027-10*      | Pablo Galindo Salgado |
+| main             | TBA          | features    | *2023-10-03*   | *2028-10*      | Thomas Wouters        |
++------------------+--------------+-------------+----------------+----------------+-----------------------+
+| 3.11             | :pep:`664`   | bugfix      | *2022-10-03*   | *2027-10*      | Pablo Galindo Salgado |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
 | 3.10             | :pep:`619`   | bugfix      | 2021-10-04     | *2026-10*      | Pablo Galindo Salgado |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+