fix date format

Author: methane

peps/pep-0822.rst

@@ -6,11 +6,11 @@ Status: Draft
 Type: Standards Track
 Created: 05-Jan-2026
 Python-Version: 3.15
-Post-History: `2023-07-23 <https://discuss.python.org/t/30127>`__,
-              `2023-10-11 <https://discuss.python.org/t/35907>`__,
-              `2023-12-09 <https://discuss.python.org/t/40679>`__,
-              `2025-05-07 <https://discuss.python.org/t/90988>`__,
-              `2026-01-05 <https://discuss.python.org/t/105519>`__,
+Post-History: `23-Jul-2023 <https://discuss.python.org/t/30127>`__,
+              `11-Oct-2023 <https://discuss.python.org/t/35907>`__,
+              `09-Dec-2023 <https://discuss.python.org/t/40679>`__,
+              `07-May-2025 <https://discuss.python.org/t/90988>`__,
+              `05-Jan-2026 <https://discuss.python.org/t/105519>`__,
 
 
 Abstract