chore: bump psycopg package version to 3.2.6

Author: dvarrazzo

docs/news.rst

@@ -16,16 +16,16 @@ Python 3.3.0 (unreleased)
 - Drop support for Python 3.8.
 
 
-Python 3.2.6 (unreleased)
-^^^^^^^^^^^^^^^^^^^^^^^^^
+Current release
+---------------
+
+Python 3.2.6
+^^^^^^^^^^^^
 
 - Fix connection semantic when using ``target_session_attrs=prefer-standby``
   (:ticket:`#1021`).
 
 
-Current release
----------------
-
 Psycopg 3.2.5
 ^^^^^^^^^^^^^