build(deps-dev): bump the tanstack-router group

Bumps the tanstack-router group in /frontend with 2 updates: [@tanstack/react-router-devtools](https://github.com/TanStack/router/tree/HEAD/packages/react-router-devtools) and [@tanstack/router-plugin](https://github.com/TanStack/router/tree/HEAD/packages/router-plugin).


Updates `@tanstack/react-router-devtools` from 1.121.5 to 1.121.8
- [Release notes](https://github.com/TanStack/router/releases)
- [Commits](https://github.com/TanStack/router/commits/v1.121.8/packages/react-router-devtools)

Updates `@tanstack/router-plugin` from 1.121.4 to 1.121.7
- [Release notes](https://github.com/TanStack/router/releases)
- [Commits](https://github.com/TanStack/router/commits/v1.121.7/packages/router-plugin)

---
updated-dependencies:
- dependency-name: "@tanstack/react-router-devtools"
  dependency-version: 1.121.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: tanstack-router
- dependency-name: "@tanstack/router-plugin"
  dependency-version: 1.121.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: tanstack-router
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -50,8 +50,8 @@
     "@storybook/addon-docs": "^9.0.8",
     "@storybook/react-vite": "^9.0.8",
     "@tanstack/react-query-devtools": "^5.80.7",
-    "@tanstack/react-router-devtools": "^1.121.5",
-    "@tanstack/router-plugin": "^1.121.4",
+    "@tanstack/react-router-devtools": "^1.121.8",
+    "@tanstack/router-plugin": "^1.121.7",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.6.1",