Bump react-router and react-router-dom

Removes [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router). It's no longer used after updating ancestor dependency [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom). These dependencies need to be updated together.


Removes `react-router`

Updates `react-router-dom` from 7.5.2 to 7.12.0
- [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@7.12.0/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 
  dependency-type: indirect
- dependency-name: react-router-dom
  dependency-version: 7.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

previewers/react-source/hdf5-previewer/package-lock.json

@@ -30,7 +30,7 @@
     "react-dom": "17.0.2",
     "react-dropzone": "14.2.3",
     "react-icons": "4.8.0",
-    "react-router-dom": "7.5.2"
+    "react-router-dom": "7.12.0"
   },
   "devDependencies": {
     "@types/node": "^18.15.11",