pythonGH-109190: Copyedit 3.12 What's New: Trivia (python#109760)

Author: AA-Turner

Doc/whatsnew/3.12.rst

@@ -3,7 +3,7 @@
   What's New In Python 3.12
 ****************************
 
-:Editor: TBD
+:Editor: Adam Turner
 
 .. Rules for maintenance:
 
@@ -46,15 +46,12 @@
    researching a change.
 
 This article explains the new features in Python 3.12, compared to 3.11.
-
+Python 3.12 will be released on October 2, 2023.
 For full details, see the :ref:`changelog <changelog>`.
 
-.. note::
-
-   Prerelease users should be aware that this document is currently in draft
-   form. It will be updated substantially as Python 3.12 moves towards release,
-   so it's worth checking back even after reading earlier versions.
+.. seealso::
 
+   :pep:`693` -- Python 3.12 Release Schedule
 
 Summary -- Release highlights
 =============================