Add Pynche's move to the What's new in 3.11 (#97974)

* Add Pynche's move to the What's new in 3.11

* Update Doc/whatsnew/3.11.rst

Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>

Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
(cherry picked from commit effc25f)

Author: warsaw

Doc/whatsnew/3.11.rst

@@ -1682,6 +1682,9 @@ Removed
   (and corresponding ``EXPERIMENTAL_ISOLATED_SUBINTERPRETERS``)
   have been removed.
 
+* Pynche --- The Pythonically Natural Color and Hue Editor --- has been moved out
+  of ``Tools/scripts`` and is `being developed independently
+  <https://gitlab.com/warsaw/pynche/-/tree/main>`_ from the Python source tree.
 
 Porting to Python 3.11
 ======================