Hotfix link to pepy.tech on downloads badge
<img alt="GitHub" src="https://img.shields.io/github/license/huggingface/tokenizers.svg?color=blue&cachedrop">
</a>
<a href="https://pepy.tech/project/tokenizers/week">
- <img src="https://pepy.tech/badge/tokenizers/week" />
+ <img src="https://pepy.tech/badge/tokenizers" />
</a>
</p>
