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

Closes #20

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "common-tags": "^1.4.0",
     "eslint": "^5.10.0",
     "eslint-config-airbnb": "^17.1.0",
-    "eslint-config-airbnb-base": "^12.1.0",
+    "eslint-config-airbnb-base": "^14.1.0",
     "eslint-plugin-import": "^2.14.0",
     "eslint-plugin-jsx-a11y": "^6.1.2",
     "eslint-plugin-react": "^7.11.1"