chore(package): update eslint to version 6.2.1

Closes #65

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "enzyme": "^3.6.0",
     "enzyme-adapter-react-16": "^1.4.0",
     "enzyme-to-json": "^3.3.1",
-    "eslint": "^5.1.0",
+    "eslint": "^6.2.1",
     "eslint-plugin-babel": "^5.1.0",
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-react": "^7.6.0",