This is to make each substreams completely independent, before when we would need a new version of a dependency, we would have to change it for every crate which would lead to a change of every substreams module hash. We want to make every Substreams completely independant and frozen, this also helps to maintain a correct versionning. Co-authored-by: zizou <111426680+flopell@users.noreply.github.com>