Continuous integration don't work with std::ranges

[lukasz-kukulka]

Running generate errors because std::ranges

[ziobron]

🏅 2 XP granted for @lukasz-kukulka
Thanks for raising this Issue to help to make the course better!

[ziobron]

It doesn't work because on GitHub we don't have support for C++20. I will take a look soon and check if we can install a newer compiler.