[llm] Bump transformers to 4.57.3 (patch release) (#58980)

Patch release fixes a post-merge bug that was causing GPU batch tests to
fail.

- Add explicit transformers>=4.57.3 dependency to ray[llm]
- Update hashes


## Related issues
https://github.com/anyscale/ray/issues/547

## Additional information
> Optional: Add implementation details, API changes, usage examples,
screenshots, etc.

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Signed-off-by: Nikhil Ghosh <nikhil@anyscale.com>