chore(deps): bump zod from 4.4.3 to 4.6.7

Bumps [zod](https://github.com/colinhacks/zod) from 4.4.3 to 4.6.7.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v4.4.3...v4.6.7)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.6.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -35,6 +35,6 @@
     "openai": "^6.35.0",
     "sharp": "^0.35.3",
     "undici": "^7.30.0",
-    "zod": "^4.4.3"
+    "zod": "^4.6.7"
   }
 }