docs: use node_js 8 in example travis.yml (#4107)

This is the current node LTS release.
facebook · Mar 5, 2018 · b49762a · b49762a
1 parent e9abde7
commit b49762a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/react-scripts/template/README.md b/packages/react-scripts/template/README.md
@@ -1611,7 +1611,7 @@ Popular CI servers already set the environment variable `CI` by default but you
 ```
 language: node_js
 node_js:
-  - 6
+  - 8
 cache:
   directories:
     - node_modules