chore(deps): update dependency eslint-plugin-prettier to v3.4.0

Author: renovate-bot

package-lock.json

@@ -45,7 +45,7 @@
     "babel-eslint": "10.1.0",
     "codecov": "3.7.2",
     "eslint": "5.16.0",
-    "eslint-plugin-prettier": "3.1.4",
+    "eslint-plugin-prettier": "3.4.0",
     "husky": "4.2.3",
     "isomorphic-fetch": "2.2.1",
     "lint-staged": "10.2.11",