python3: upgrade 3.12.2 -> 3.12.3

Remove the following patch:

0001-gh-115133-Fix-tests-for-XMLPullParser-with-Expat-2.6.patch

Which a different fix was submitted for in:

c4fa79b924 [3.12] gh-115133: Fix tests for XMLPullParser with Expat 2.6.0 (GH-115164) (GH-115288)
See: python/cpython#115288
(related to CVE-2023-52425)

Changelog: https://docs.python.org/3/whatsnew/changelog.html#python-3-12-3-final

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

Author: threexc

meta/recipes-devtools/python/python3/0001-test_xml_etree.py-Fix-for-Expat-2.6.0-with-reparse-d.patch

@@ -30,14 +30,13 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.xz \
            file://0001-skip-no_stdout_fileno-test-due-to-load-variability.patch \
            file://0001-test_storlines-skip-due-to-load-variability.patch \
            file://0001-gh-114492-Initialize-struct-termios-before-calling-t.patch \
-           file://0001-test_xml_etree.py-Fix-for-Expat-2.6.0-with-reparse-d.patch \
            "
 
 SRC_URI:append:class-native = " \
            file://0001-Lib-sysconfig.py-use-prefix-value-from-build-configu.patch \
            "
 
-SRC_URI[sha256sum] = "be28112dac813d2053545c14bf13a16401a21877f1a69eb6ea5d84c4a0f3d870"
+SRC_URI[sha256sum] = "56bfef1fdfc1221ce6720e43a661e3eb41785dd914ce99698d8c7896af4bdaa1"
 
 # exclude pre-releases for both python 2.x and 3.x
 UPSTREAM_CHECK_REGEX = "[Pp]ython-(?P<pver>\d+(\.\d+)+).tar"