python312Packages.osc: unbreak on Darwin

pkgs/development/python-modules/osc/default.nix

···
 {
-  stdenv,
   bashInteractive,
   buildPythonPackage,
   cryptography,
···
   preCheck = "HOME=$TOP/tmp";
 
   meta = with lib; {
-    broken = stdenv.hostPlatform.isDarwin;
     homepage = "https://github.com/openSUSE/osc";
     description = "opensuse-commander with svn like handling";
     mainProgram = "osc";