chore(package): update eslint to version 6.2.1

Closes #393

Author: greenkeeper[bot]

package.json

@@ -88,7 +88,7 @@
     "create-react-class": "^15.6.3",
     "cross-env": "^5.2.0",
     "cypress": "^3.2.0",
-    "eslint": "^5.16.0",
+    "eslint": "^6.2.1",
     "eslint-import-resolver-webpack": "^0.11.1",
     "eslint-loader": "^2.1.2",
     "eslint-plugin-import": "^2.17.2",