ci: run CI against node10

mike-north · mike-north · commit 33c516be150d · 2018-12-19T23:00:32.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 ---
 language: node_js
 node_js:
-  - '6'
+  - '10'
 
 sudo: false
 dist: trusty
