Bump react-router-dom from 4.3.1 to 5.1.2

Bumps [react-router-dom](https://github.com/ReactTraining/react-router) from 4.3.1 to 5.1.2.
- [Release notes](https://github.com/ReactTraining/react-router/releases)
- [Changelog](https://github.com/ReactTraining/react-router/blob/master/CHANGELOG.md)
- [Commits](remix-run/react-router@v4.3.1...v5.1.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -74,7 +74,7 @@
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
     "react-router": "~4.3.1",
-    "react-router-dom": "^4.1.0",
+    "react-router-dom": "^5.1.2",
     "react-test-renderer": "^16.0.0",
     "tslint-config-prettier": "^1.17.0",
     "tslint-react": "^4.2.0",