chore(package): update remark-cli to version 6.0.1

Closes #48

Author: greenkeeper[bot]

Diff for: package.json

@@ -58,7 +58,7 @@
     "npm-run-all": "^4.0.0",
     "npmpub": "^3.1.0",
     "prettier": "^1.5.2",
-    "remark-cli": "^5.0.0",
+    "remark-cli": "^6.0.1",
     "remark-preset-lint-itgalaxy": "^12.0.0",
     "webpack": "^3.0.0",
     "webpack-dev-middleware": "^1.0.0",