chore(package): update eslint to version 6.2.2

Closes #150

Author: greenkeeper[bot]

package.json

@@ -67,7 +67,7 @@
     "deep-freeze": "^0.0.1",
     "enzyme": "^3.8.0",
     "enzyme-adapter-react-16": "^1.7.1",
-    "eslint": "^5.16.0",
+    "eslint": "^6.2.2",
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.4.0",