chore(deps): bump zod from 3.25.76 to 4.1.5

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.1.5.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.1.5)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.1.5
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -37,7 +37,7 @@
     "undici": "^6.6.3",
     "@modelcontextprotocol/sdk": "^1.13.2",
     "commander": "^14.0.0",
-    "zod": "^3.24.2"
+    "zod": "^4.1.5"
   },
   "devDependencies": {
     "@types/node": "^22.13.14",