Update to node 10 in .travis.yml

greenkeeper[bot] · greenkeeper[bot] · commit 0b2d3ba822d1 · 2018-04-26T15:07:54.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,7 @@ sudo: required
 language: node_js
 node_js:
  - "8"
+ - "10"
 env:
   global:
     - DOCKER_COMPOSE_VERSION=1.17.1
