Update dependency eslint-plugin-json to v3

Author: renovate-bot

package-lock.json

@@ -34,7 +34,7 @@
     "eslint-import-resolver-webpack": "0.13.1",
     "eslint-plugin-import": "2.23.4",
     "eslint-plugin-jest": "23.20.0",
-    "eslint-plugin-json": "2.1.2",
+    "eslint-plugin-json": "3.1.0",
     "eslint-plugin-prettier": "3.4.0",
     "husky": "3.1.0",
     "jest": "24.9.0",