Enforced proper Node versions in CI
Enforced proper Node versions in CI

no issue

- a recent regression was not caught by CI because we only specify major
  versions
- this change will temporarily fail in CI until the fix for the
  regression is implemented

ErisDS/Ghost,e10/Ghost,e10/Ghost,TryGhost/Ghost,janvt/Ghost,TryGhost/Ghost,ErisDS/Ghost,janvt/Ghost,JohnONolan/Ghost,bitjson/Ghost,JohnONolan/Ghost,bitjson/Ghost,TryGhost/Ghost,ErisDS/Ghost,JohnONolan/Ghost