PEP 596, 619, 664, 693: Add security releases (#4652)

Author: StanFromIreland

peps/pep-0596.rst

@@ -98,6 +98,7 @@ Provided irregularly on an "as-needed" basis until October 2025.
 - 3.9.21: Tuesday, 2024-12-03
 - 3.9.22: Tuesday, 2025-04-08
 - 3.9.23: Tuesday, 2025-06-03
+- 3.9.24: Thursday, 2025-10-09
 
 
 3.9 Lifespan

peps/pep-0619.rst

@@ -86,6 +86,7 @@ Provided irregularly on an "as-needed" basis until October 2026.
 - 3.10.16: Tuesday, 2024-12-03
 - 3.10.17: Tuesday, 2025-04-08
 - 3.10.18: Tuesday, 2025-06-03
+- 3.10.19: Thursday, 2025-10-09
 
 3.10 Lifespan
 -------------

peps/pep-0664.rst

@@ -83,6 +83,7 @@ Provided irregularly on an "as-needed" basis until October 2027.
 - 3.11.11: Tuesday, 2024-12-03
 - 3.11.12: Tuesday, 2025-04-08
 - 3.11.13: Tuesday, 2025-06-03
+- 3.11.14: Thursday, 2025-10-09
 
 3.11 Lifespan
 -------------

peps/pep-0693.rst

@@ -74,6 +74,7 @@ Source-only security fix releases
 Provided irregularly on an as-needed basis until October 2028.
 
 - 3.12.11: Tuesday, 2025-06-03
+- 3.12.12: Thursday, 2025-10-09
 
 3.12 Lifespan
 -------------