chore(deps): bump zustand from 5.0.12 to 5.0.13 in /frontend (#250)

Bumps [zustand](https://github.com/pmndrs/zustand) from 5.0.12 to 5.0.13.
- [Release notes](https://github.com/pmndrs/zustand/releases)
- [Commits](https://github.com/pmndrs/zustand/compare/v5.0.12...v5.0.13)

---
updated-dependencies:
- dependency-name: zustand
  dependency-version: 5.0.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -17,7 +17,7 @@
     "next": "16.2.6",
     "react": "19.2.5",
     "react-dom": "19.2.5",
-    "zustand": "^5.0.12"
+    "zustand": "^5.0.13"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",