Update dependency eslint-plugin-prettier to v3.1.0

Author: renovate-bot

package-lock.json

@@ -44,7 +44,7 @@
     "codecov": "3.4.0",
     "eslint": "5.16.0",
     "eslint-config-prettier": "4.2.0",
-    "eslint-plugin-prettier": "3.0.1",
+    "eslint-plugin-prettier": "3.1.0",
     "husky": "2.2.0",
     "jest": "24.8.0",
     "lint-staged": "8.1.6",