update version of node used by travis

chuckdumont · chuckdumont · commit 19995737e06c · 2020-05-06T07:25:02.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 
 node_js:
-  - '6'
+  - '8'
 
 env:
   - WEBPACK_VERSION=V4 COVERALLS_PARALLEL=true
