Specific message for unauthorized errors (#1202)
* Specific message for unauthorized
* revert back to a single error but add comments
* Update tests/test_hf_api.py
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
* Update src/huggingface_hub/utils/_errors.py
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
* make style
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>