chore(package): update ember-cli-sass to version 5.4.0
chore(package): update ember-cli-sass to version 5.4.0

https://greenkeeper.io/
rwwagner90/ember-x-editable-addon,shipshapecode/ember-x-editable,rwwagner90/ember-x-editable-addon,shipshapecode/ember-x-editable