Python 3.9 is security-only now: (#869)

https://discuss.python.org/t/python-3-9-13-is-now-available/15815

Author: ambv

index.rst

@@ -103,7 +103,7 @@ Status of Python branches
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
 | 3.10             | :pep:`619`   | bugfix      | 2021-10-04     | *2026-10*      | Pablo Galindo Salgado |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
-| 3.9              | :pep:`596`   | bugfix      | 2020-10-05     | *2025-10*      | Łukasz Langa          |
+| 3.9              | :pep:`596`   | security    | 2020-10-05     | *2025-10*      | Łukasz Langa          |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
 | 3.8              | :pep:`569`   | security    | 2019-10-14     | *2024-10*      | Łukasz Langa          |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+