python3: upgrade 3.12.7 -> 3.12.8

Changelog:
https://docs.python.org/release/3.12.8/whatsnew/changelog.html#python-3-12-8

(From OE-Core rev: 751cf7a576dbb949763703e655e951bcd583f251)

Signed-off-by: Guðni Már Gilbert <gudni.m.g@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-devtools/python/python3/0001-sysconfig.py-use-platlibdir-also-for-purelib.patch

@@ -1,4 +1,4 @@
-From fac0f14fd34386e47bab71c0043ea55b507ae39c Mon Sep 17 00:00:00 2001
+From 3aeeddb1325679d5c0471ad86806e92e72187138 Mon Sep 17 00:00:00 2001
 From: Alexander Kanavin <alex@linutronix.de>
 Date: Sun, 12 Sep 2021 21:44:36 +0200
 Subject: [PATCH] sysconfig.py: use platlibdir also for purelib
@@ -13,7 +13,7 @@ Signed-off-by: Alexander Kanavin <alex@linutronix.de>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
-index 122d441..79c0510 100644
+index 517b13a..6258b68 100644
 --- a/Lib/sysconfig.py
 +++ b/Lib/sysconfig.py
 @@ -28,7 +28,7 @@ _INSTALL_SCHEMES = {