fix(deps): bump react-router from 7.6.0 to 7.6.3

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/dashboard-app/package.json

@@ -31,7 +31,7 @@
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-markdown": "^9.0.3",
-    "react-router": "^7.6.0",
+    "react-router": "^7.6.3",
     "react-router-dom": "^7.6.0",
     "tailwind-merge": "^3.2.0",
     "tailwindcss-animate": "^1.0.7",