chore(deps): bump zod from 3.25.76 to 4.0.2 in /frontend (#254)

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.0.2.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](https://github.com/colinhacks/zod/commits)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

frontend/bun.lock

@@ -30,7 +30,7 @@
         "sonner": "^2.0.6",
         "tailwind-merge": "^3.3.1",
         "tailwindcss": "^4.1.11",
-        "zod": "^3.25.76",
+        "zod": "^4.0.2",
       },
       "devDependencies": {
         "@eslint/js": "^9.30.1",
@@ -912,7 +912,7 @@
 
     "yocto-queue": ["yocto-queue@0.1.0", "", {}, "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q=="],
 
-    "zod": ["zod@3.25.76", "", {}, "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ=="],
+    "zod": ["zod@4.0.2", "", {}, "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA=="],
 
     "zwitch": ["zwitch@2.0.4", "", {}, "sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A=="],