fix: Replace axios with native fetch in turbo-codemod (#11600)
## Summary
- Replace axios with native `fetch()` in `@turbo/codemod` package
- Remove axios dependency and all its transitive dependencies
(form-data, follow-redirects)
- Fixes TURBO-5143: axios SSRF and Credential Leakage vulnerability
(High severity)
## Changes
The `getLatestVersion.ts` file was the only place using axios for a
simple GET request to the npm registry. Node.js 18+ has native fetch
support, so this removes the need for the axios dependency entirely.
## Testing
- The modified code preserves the same error handling behavior
- Tests pass (pre-existing failures unrelated to this change are due to
workspace package build ordering)