Fixed regressed submodule git protocols
Fixed regressed submodule git protocols

refs https://github.com/TryGhost/Ghost/issues/10265
refs https://github.com/TryGhost/Toolbox/issues/354

- I seem to have regressed the referenced Ghost issue during the
  conversion to a monorepo
- this puts the url paths back to relative URLs so it uses whatever
  protocol the Ghost repo was cloned with

TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost