compatible with g++ 12

[sebasjm]

just in case someone else wants to compile on debian stable

[cloud11665]

Hmm, I don't think adding a dependency for something like this is worth it. If gcc12 doesn't support std::format I think it's better to rewrite it using std::to_string and std::hex + std::dec for the pcie errors since we're already passing it to std::cerr