chore(package): update eslint to version 6.8.0

Author: greenkeeper[bot]

package.json

@@ -17,7 +17,7 @@
     "@types/react": "16.9.16",
     "@types/react-dom": "16.9.4",
     "css-loader": "3.3.0",
-    "eslint": "6.7.2",
+    "eslint": "6.8.0",
     "prettier": "1.19.1",
     "style-loader": "1.0.1",
     "ts-loader": "6.2.1",