travis: use "node" (latest) and "lts/*" for node_js versions

gfx · gfx · commit 3ea8cf4594eb · 2019-05-10T11:08:04.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,8 +2,8 @@ language: node_js
 addons:
   firefox: latest
 node_js:
-  - "10"
-  - "12"
+  - "lts/*"
+  - "node"
 cache: npm
 before_install: npm install -g nyc codecov
 script:
