PEP 639: Update the discussion thread link + acknowledge the advisors (#3776)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

peps/pep-0639.rst

@@ -4,13 +4,14 @@ Author: Philippe Ombredanne <pombredanne@nexb.com>,
         C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>,
         Karolina Surma <karolina.surma@gazeta.pl>,
 PEP-Delegate: Brett Cannon <brett@python.org>
-Discussions-To: https://discuss.python.org/t/12622
+Discussions-To: https://discuss.python.org/t/53020
 Status: Draft
 Type: Standards Track
 Topic: Packaging
 Created: 15-Aug-2019
 Post-History: `15-Aug-2019 <https://discuss.python.org/t/2154>`__,
               `17-Dec-2021 <https://discuss.python.org/t/12622>`__,
+              `10-May-2024 <https://discuss.python.org/t/53020>`__,
 
 
 .. _639-abstract:
@@ -1004,6 +1005,8 @@ Acknowledgments
 - Chris Jerdonek
 - Cyril Roelandt
 - Luis Villa
+- Seth M. Larson
+- Ofek Lev
 
 
 Copyright