package/python3: security bump version to 3.12.6

Release notes: https://www.python.org/downloads/release/python-3126/

Fixes CVE-2023-27043, CVE-2024-6232, CVE-2024-7592 & CVE-2024-8088.

The fixes for bundled libexpat are irrelevant for us because python3
depends on the buildroot package.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2 files changed