vagrant.dev: optimise composer cache for vagrant user

Steps to reproduce

vagrant up
vagrant ssh -c '00_bin/40_vendor_erase.dir_erase.lock_and.install.sh'

What is the current bug behavior?

The first run off 00_bin/4*.sh script don't use composer cache.

What is the expected correct behavior?

The first run off 00_bin/4*.sh script must use composer cache.