safetensors.torch.save_model instead of save_file
Author: pauluskim
Pull request: yes

# What does this PR do?

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```
RuntimeError: Some tensors share memory, this will lead to duplicate memory on disk and potential difference when loading them again:
```
By this instruction(https://huggingface.co/docs/safetensors/en/torch_shared_tensors), we should replace save_file with save_model.


## Before submitting
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Models:

- text models: @ArthurZucker and @younesbelkada
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Library:

- flax: @sanchit-gandhi
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Comments:
cc @Narsil 

This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

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