chore(package): update eslint-config-airbnb-base to version 14.1.0

Closes #46

Author: greenkeeper[bot]

package.json

@@ -86,7 +86,7 @@
     "chai": "^4.1.0",
     "chai-as-promised": "^7.1.1",
     "coveralls": "^2.13.1",
-    "eslint-config-airbnb-base": "13.0.0",
+    "eslint-config-airbnb-base": "14.1.0",
     "eslint": "^5.0.0",
     "eslint-plugin-import": "^2.2.0",
     "mocha": "^4.1.0",