Run CI w/ node 10
Run CI w/ node 10

Although support for node 8 will only be dropped in v4, there is a problem with some transitive dependency not properly following SemVer, having dropped node support in a minor release. Not going to fix this, as v4 is coming soon, but need a way to make CI green again...

kaliber5/ember-bootstrap,kaliber5/ember-bootstrap