Update Node.js version

Daisuke Baba · Daisuke Baba · commit 764128689345 · 2020-05-20T09:45:34.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - "8"
   - "10"
+  - "12"
 
 addons:
   apt:

-Original file line number
+Diff line change
@@ @@ -1,7 +1,7 @@ @@
 language: node_js
 node_js:
 -  - "8"
   - "10"
 +  - "12"
 addons:
   apt: