add CrisperWhisper model

[LaurinmyReha]

Description

This PR adds the CrisperWhisper Model to the list of Whisper variants to be evaluated.

Model Information

• Model Name: CrisperWhisper
• Hugging Face Model Card: CrisperWhisper on Hugging Face
• Repository: CrisperWhisper GitHub Repository
• Paper: CrisperWhisper Paper on arXiv

Changes Made

• Added the CrisperWhisper model to the list of Whisper variants in the leaderbaord.

Additional Notes

I am happy to make any necessary changes or updates if this is not the way to add it.

[LaurinmyReha]

@sanchit-gandhi is this repo still maintained?

[Vaibhavs10]

Thanks for the PR @LaurinmyReha - we're going to push for another release for the leaderboard in couple weeks time. Happy to add CrisperWhisper then.

Merging the PR.