Inconsistent rendered Zenodo badge

Some time ago, the Zenodo badge started to be displayed incorrectly; sometimes it is correctly rendered and sometimes not. This seems to be an issue across repos (e.g., see also the repo for the paper figures). 

<img width="987" height="270" alt="Image" src="https://github.com/user-attachments/assets/ab558434-c366-4d89-a4a8-d688131ce023" />