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:
-    - "unist-util-modify-children.js"
-    - "unist-util-modify-children.min.js"
+    - 'unist-util-modify-children.js'
+    - 'unist-util-modify-children.min.js'
   on:
     tags: true