Use commit hash to look in cache instead of calling head (#18534)
* Use commit hash to look in cache instead of calling head
* Add tests
* Add attr for local configs too
* Stupid typos
* Fix tests
* Update src/transformers/utils/hub.py
Co-authored-by: Julien Chaumond <julien@huggingface.co>
* Address Julien's comments
Co-authored-by: Julien Chaumond <julien@huggingface.co>