chore(deps): bump zod from 3.25.76 to 4.4.3 in /apps/docs

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.4.3.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v3.25.76...v4.4.3)

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

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

Author: dependabot[bot]

apps/docs/package.json

@@ -20,7 +20,7 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "tailwindcss": "^3.4.0",
-    "zod": "3.25.76"
+    "zod": "4.4.3"
   },
   "devDependencies": {
     "@astrojs/check": "^0.9.0",