When #311 happens, we'll be able to replace `boost::optional` with `std::optional`, thus dropping a dependency. Probably useful for https://github.com/VROOM-Project/vroom-docker/issues/3 and https://github.com/VROOM-Project/vroom-docker/pull/4
When #311 happens, we'll be able to replace
boost::optionalwithstd::optional, thus dropping a dependency.Probably useful for VROOM-Project/vroom-docker#3 and VROOM-Project/vroom-docker#4