chore(package): update check-node-version to version 3.1.1

Closes #7

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
     "babel-jest": "21.2.0",
     "babel-preset-env": "1.6.1",
     "babelify": "8.0.0",
-    "check-node-version": "2.1.0",
+    "check-node-version": "3.1.1",
     "commitplease": "3.1.0",
     "eslint": "4.11.0",
     "eslint-config-xo-space": "0.17.0",