PEP 831: Add discussion links (#4901)

Author: savannahostrowski

peps/pep-0831.rst

@@ -3,13 +3,12 @@ Title: Frame Pointers Everywhere: Enabling System-Level Observability for Python
 Author: Pablo Galindo Salgado <pablogsal@python.org>,
         Ken Jin <kenjin@python.org>,
         Savannah Ostrowski <savannah@python.org>,
-Discussions-To: Pending
+Discussions-To: https://discuss.python.org/t/106958
 Status: Draft
 Type: Standards Track
 Created: 14-Mar-2026
 Python-Version: 3.15
-Post-History: Pending
-
+Post-History: `13-Apr-2026 <https://discuss.python.org/t/106958>`__
 
 Abstract
 ========