chore(deps): bump zod from 4.2.0 to 4.4.3

Bumps [zod](https://github.com/colinhacks/zod) from 4.2.0 to 4.4.3.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v4.2.0...v4.4.3)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -61,7 +61,7 @@
         "node-html-parser": "^6.1.13",
         "undici": "7.29.0",
         "unpdf": "1.8.1",
-        "zod": "4.2.0"
+        "zod": "4.4.3"
     },
     "devDependencies": {
         "@modelcontextprotocol/client": "2.0.0",