chore(package): update eslint to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -75,7 +75,7 @@
     "codecov": "^3.0.0",
     "css-loader": "^0.28.11",
     "enzyme": "^3.3.0",
-    "eslint": "^4.19.1",
+    "eslint": "^5.0.0",
     "eslint-config-airbnb": "^17.0.0",
     "eslint-plugin-import": "^2.12.0",
     "eslint-plugin-jsx-a11y": "^6.0.3",