Update react-router-dom to the latest version 🚀 (#1317)

* fix(package): update react-router-dom to version 5.1.2

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -66,7 +66,7 @@
     "react-helmet": "5.2.1",
     "react-redux": "5.1.1",
     "react-router": "5.1.2",
-    "react-router-dom": "5.1.1",
+    "react-router-dom": "5.1.2",
     "regenerator-runtime": "^0.13.3",
     "semver": "^6.3.0"
   },