chore(package): update babel-preset-airbnb to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "@babel/plugin-transform-flow-strip-types": "^7.2.3",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.0.0",
-    "babel-preset-airbnb": "^4.0.0",
+    "babel-preset-airbnb": "^5.0.0",
     "coveralls": "^3.0.1",
     "eslint": "^3 || ^4 || ^5 || ^6",
     "eslint-config-airbnb-base": "^14.0.0",