Bump react-router-dom from 4.3.1 to 6.26.0 in /big-dipper

Bumps [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom) from 4.3.1 to 6.26.0.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-dom/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router-dom@6.26.0/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react-router-dom
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

big-dipper/package.json

@@ -55,7 +55,7 @@
     "react-loadingg": "^1.7.2",
     "react-pose": "^4.0.10",
     "react-responsive-pagination": "^1.5.0",
-    "react-router-dom": "^4.3.1",
+    "react-router-dom": "^6.26.0",
     "react-showdown": "^1.6.0",
     "react-sidebar": "^3.0.2",
     "react-toastify": "^4.5.2",