python3Packages.tf2onnx: disable on darwin (segmentation fault)

pkgs/development/python-modules/tf2onnx/default.nix

···
     changelog = "https://github.com/onnx/tensorflow-onnx/releases/tag/v${version}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ happysalada ];
+    badPlatforms = [
+      # Segmentation fault on darwin
+      lib.systems.inspect.patterns.isDarwin
+    ];
   };
 }