Update Travis

Author: wooorm

.travis.yml

@@ -1,15 +1,15 @@
 language: node_js
 node_js:
-- lts/boron
-- node
+  - lts/dubnium
+  - node
 after_script: bash <(curl -s https://codecov.io/bash)
 deploy:
   provider: releases
   skip_cleanup: true
   api_key:
     secure: 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
   file:
-    - "hast-util-to-nlcst.js"
-    - "hast-util-to-nlcst.min.js"
+    - 'hast-util-to-nlcst.js'
+    - 'hast-util-to-nlcst.min.js'
   on:
     tags: true