Update .travis.yml

MoOx · MoOx · commit ca951e5f0e55 · 2019-10-22T08:40:37.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,9 @@
 language: node_js
 
 node_js:
+  - '12'
   - '10'
   - '8'
-  - '6'
 
 matrix:
   fast_finish: true
