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

Closes #32

Author: greenkeeper[bot]

package.json

@@ -50,7 +50,7 @@
     "cross-env": "^5.1.3",
     "del-cli": "^1.1.0",
     "eslint": "^4.13.1",
-    "eslint-config-airbnb-base": "^12.1.0",
+    "eslint-config-airbnb-base": "^14.1.0",
     "eslint-config-prettier": "^2.9.0",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-prettier": "^2.4.0",