fix: upgrade react-router from 5.1.2 to 5.2.1 (#1805)

Snyk has created this PR to upgrade react-router from 5.1.2 to 5.2.1.

See this package in npm:
https://www.npmjs.com/package/react-router

See this project in Snyk:
https://app.snyk.io/org/acinader/project/953c8e1a-a9ef-4134-afbe-43474913abbb?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Manuel <[email protected]>

Author: snyk-bot

package-lock.json

@@ -72,7 +72,7 @@
     "react-json-view": "1.21.3",
     "react-popper-tooltip": "4.3.0",
     "react-redux": "5.1.2",
-    "react-router": "5.1.2",
+    "react-router": "5.2.1",
     "react-router-dom": "5.1.2",
     "regenerator-runtime": "0.13.8",
     "semver": "7.3.4"