fix(client): inference fix when serializing of json-like return types like z.json() (#6810)

Closes #6804

## 🎯 Changes

- Bumps zod
- Trying to fix #6804, see the `serialize.test.ts`

## ✅ Checklist

- [ ] I have followed the steps listed in the [Contributing
guide](https://github.com/trpc/trpc/blob/main/CONTRIBUTING.md).
- [ ] If necessary, I have added documentation related to the changes
made.
- [ ] I have added or updated the tests related to the changes made.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

## Summary by CodeRabbit

- **Chores**
- Updated the "zod" dependency to version ^3.25.51 across multiple
example projects and packages.
- **New Features**
  - Enhanced type serialization logic for JSON-compatible types.
- **Tests**
- Added comprehensive type-level tests to validate serialization
behavior.
- Removed outdated test suites related to complex serialization, type
inference, and symbol key handling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: KATT

package.json

@@ -54,7 +54,7 @@
     "superjson": "^1.12.4",
     "tsx": "^4.19.3",
     "ws": "^8.0.0",
-    "zod": "^3.25.49"
+    "zod": "^3.25.51"
   },
   "devDependencies": {
     "@playwright/test": "^1.50.1",