Move expected changes to their own subsection

Author: ryan-duve

peps/pep-0719.rst

@@ -51,6 +51,9 @@ Actual:
 - 3.13.0 candidate 2: Friday, 2024-09-06
 - 3.13.0 candidate 3: Tuesday, 2024-10-01
 - 3.13.0 final: Monday, 2024-10-07
+
+Expected:
+
 - 3.13.1: Tuesday, 2024-12-03
 - 3.13.2: Tuesday, 2025-02-04
 - 3.13.3: Tuesday, 2025-04-08