test_a11y CI check fails with puppeteer error

In CI the test_a11y CI check is failing because of an error that appears to have something to do with puppeteer.

This does not happen locally.

Error:

<img width="1383" height="546" alt="Image" src="https://github.com/user-attachments/assets/8284e576-c79c-4cc6-a14b-fbb76f178a87" />