Bump zod from 3.25.76 to 4.1.13

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.1.13.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.1.13)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.1.13
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -50,6 +50,6 @@
     "eventsource-parser": "^3.0.6",
     "express": "^5.1.0",
     "jose": "^6.1.2",
-    "zod": "^3.25.76"
+    "zod": "^4.1.13"
   }
 }