Typo correction.
Author: cliang1453
Pull request: yes

# What does this PR do?

Fix a typo: DEBERTA_PRETRAINED_MODEL_ARCHIVE_LIST => DEBERTA_V2_PRETRAINED_MODEL_ARCHIVE_LIST in line 31.

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Fixes  #10529 


## Before submitting
- [x] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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