chore(deps): update dependency eslint-formatter-pretty to v6

Author: renovate[bot]

package.json

@@ -71,7 +71,7 @@
     "eslint-config-airbnb": "18.2.1",
     "eslint-config-airbnb-base": "14.2.1",
     "eslint-config-prettier": "6.15.0",
-    "eslint-formatter-pretty": "4.1.0",
+    "eslint-formatter-pretty": "6.0.1",
     "eslint-import-resolver-typescript": "2.7.1",
     "eslint-plugin-babel": "5.3.1",
     "eslint-plugin-flowtype": "5.10.0",