added type hints to yoso
Author: mowafess
Pull request: yes

# What does this PR do?
I added type annotations for YOSO PyTorch as described in [#16059](https://github.com/huggingface/transformers/issues/16059)

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## Before submitting
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Comments:
_The documentation is not available anymore as the PR was closed or merged._

@Rocketknight1 
Kindly help review