deps: bump react-router from 7.15.1 to 8.3.0

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 7.15.1 to 8.3.0.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router@8.3.0/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 8.3.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -78,7 +78,7 @@
     "react-helmet": "^6.1.0",
     "react-i18next": "^15.5.1",
     "react-idle-timer": "^5.7.2",
-    "react-router": "^7.15.0",
+    "react-router": "^8.3.0",
     "sass": "^1.87.0",
     "typescript": "^5.8.3",
     "use-deep-compare-effect": "^1.8.1",