Pin hf hub version to avoid problem with nemo import

[dev-kasibhatla]

What does this PR do ?

Fix #11

Changelog

• Pins huggingface-hub==0.23.2 in requirements/requirements.txt

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PR Type:

• New Feature
• Bugfix
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Additional Information

NVIDIA/NeMo#9793

[dev-kasibhatla]

@kaushal-py @ryback123

[ryback123]

Thanks.