chore(deps): bump zod from 3.25.76 to 4.5.4

Bumps [zod](https://github.com/colinhacks/zod) from 3.25.76 to 4.5.4.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](https://github.com/colinhacks/zod/compare/v3.25.76...v4.5.4)

---
updated-dependencies:
- dependency-name: zod
  dependency-version: 4.5.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

apps/api/package.json

@@ -18,7 +18,7 @@
     "@mcpedia/queue": "workspace:*",
     "@trpc/server": "^11.0.0",
     "hono": "^4.6.0",
-    "zod": "^3.23.8"
+    "zod": "^4.5.4"
   },
   "devDependencies": {
     "typescript": "^5.6.0"