git subrepo push --branch=master barretenberg

subrepo:
  subdir:   "barretenberg"
  merged:   "7afca0e7c"
upstream:
  origin:   "https://github.com/AztecProtocol/barretenberg"
  branch:   "master"
  commit:   "7afca0e7c"
git-subrepo:
  version:  "0.4.6"
  origin:   "???"
  commit:   "???" [skip ci]