Update openssl url for 3.12.0rc2

The old 3.1.1s URL returns a 404

plugins/python-build/share/python-build/3.12.0rc2

@@ -1,6 +1,6 @@
 prefer_openssl3
 export PYTHON_BUILD_CONFIGURE_WITH_OPENSSL=1
-install_package "openssl-3.1.1s" "https://www.openssl.org/source/openssl-3.1.1s.tar.gz#b3aa61334233b852b63ddb048df181177c2c659eb9d4376008118f9c08d07674" mac_openssl --if has_broken_mac_openssl
+install_package "openssl-3.1.2" "https://www.openssl.org/source/openssl-3.1.2.tar.gz#a0ce69b8b97ea6a35b96875235aa453b966ba3cba8af2de23657d8b6767d6539" 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-3.12.0rc2" "https://www.python.org/ftp/python/3.12.0/Python-3.12.0rc2.tar.xz#11eb10376e6baf7bea53001f5181eaee1797788c4db6e83a061e422357927674" standard verify_py312 copy_python_gdb ensurepip