OS_VERSION Get operating system name and version.

Note: for Windows 11, need new-enough Java version to show Windows 11 instead of Windows 10. Ref: https://bugs.openjdk.org/browse/JDK-8274840

function [os, version] = os_version(backend)
arguments
  backend (1,:) string = ["sys", "python", "dotnet", "java"]
end

fun = hbackend(backend, "os_version");
[os, version] = fun();

end