build(deps): bump react from 19.2.0 to 19.2.1 in /dashboard

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 19.2.0 to 19.2.1.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.1/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

dashboard/package-lock.json

@@ -17,7 +17,7 @@
     "clsx": "^2.1.1",
     "lucide-react": "^0.555.0",
     "next": "^16.0.7",
-    "react": "^19.1.0",
+    "react": "^19.2.1",
     "react-dom": "^19.2.0",
     "reactflow": "^11.11.4",
     "recharts": "^3.5.1",