fix(package): update ansi-to-html to version 0.6.0

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -18,7 +18,7 @@
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
   },
   "dependencies": {
-    "ansi-to-html": "^0.5.0",
+    "ansi-to-html": "^0.6.0",
     "async-tools": "^1.3.0",
     "bl": "~1.2.0",
     "jade": "~1.11.0",