deps: Bump zod from 3.25.76 to 4.2.1

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.2.1.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.2.1)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -90,7 +90,7 @@
     "tailwindcss": "^4.0.0",
     "tailwindcss-animate": "^1.0.7",
     "tw-animate-css": "^1.4.0",
-    "zod": "^3.23.8",
+    "zod": "^4.2.1",
     "zustand": "^5.0.0"
   },
   "devDependencies": {