Add CPython 3.12.3 (#2941)

plugins/python-build/share/python-build/3.12.3

@@ -0,0 +1,9 @@
+prefer_openssl3
+export PYTHON_BUILD_CONFIGURE_WITH_OPENSSL=1
+install_package "openssl-3.2.1" "https://www.openssl.org/source/openssl-3.2.1.tar.gz#83c7329fe52c850677d75e5d0b0ca245309b97e8ecbcfdc1dfdc4ab9fac35b39" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.2" "https://ftpmirror.gnu.org/readline/readline-8.2.tar.gz#3feb7171f16a84ee82ca18a36d7b9be109a52c04f492a053331d7d1095007c35" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+    install_package "Python-3.12.3" "https://www.python.org/ftp/python/3.12.3/Python-3.12.3.tar.xz#56bfef1fdfc1221ce6720e43a661e3eb41785dd914ce99698d8c7896af4bdaa1" standard verify_py312 copy_python_gdb ensurepip
+else
+    install_package "Python-3.12.3" "https://www.python.org/ftp/python/3.12.3/Python-3.12.3.tgz#a6b9459f45a6ebbbc1af44f5762623fa355a0c87208ed417628b379d762dddb0" standard verify_py312 copy_python_gdb ensurepip
+fi