chore(package): update eslint to version 6.1.0

Author: greenkeeper[bot]

package.json

@@ -80,7 +80,7 @@
     "babel-plugin-transform-object-rest-spread": "6.26.0",
     "core-js": "2.6.5",
     "css-loader": "3.1.0",
-    "eslint": "5.16.0",
+    "eslint": "6.1.0",
     "eslint-plugin-jest": "22.12.0",
     "eslint-plugin-react": "7.14.1",
     "file-loader": "4.1.0",