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-assert.js"
-    - "hast-util-assert.min.js"
+    - 'hast-util-assert.js'
+    - 'hast-util-assert.min.js'
   on:
     tags: true