Update transformers to 5.13.1

[pyup-bot]

This PR updates transformers from 5.13.0 to 5.13.1.

Changelog

5.13.1

This patch is focused on enabling `transformers` for the latest release of vllm! 

- Be more defensive with remap_legacy_layer_types for custom models (47245) from hmellor 
- Fix custom code which doesn't know about the new linear layer type names (47174) from hmellor 
- Fix case where _LazyAutoMapping.register is passed a str key (47148) from hmellor

Links

• PyPI: https://pypi.org/project/transformers
• Changelog: https://data.safetycli.com/changelogs/transformers/
• Repo: https://github.com/huggingface/transformers