W-ASAP: Last Updated Unknown

The GenSpectrum/swiss-wastewater page currently shown `unknow` for the last updated status in the footer. 

I am not sure why that is. 

Perhaps there was a timeout when this was fetched first. 

See picture below:

<img width="835" height="125" alt="Image" src="https://github.com/user-attachments/assets/46347dfe-56b4-4c11-b1f1-fecc692f3756" />