Compute build variable step failing across builds

The logs indicate that a curl command is returning a 404.

This seems to be affecting builds for all my MRs:

• https://foundation.eclipse.org/ci/webdev/job/public/job/swdv.eclipse.org/view/change-requests/job/MR-99/
• https://foundation.eclipse.org/ci/webdev/job/public/job/eclipseide.org/view/change-requests/job/MR-70/
• https://foundation.eclipse.org/ci/webdev/job/public/job/sparkplug.eclipse.org/view/change-requests/job/MR-159/

Here is one of the logs: https://foundation.eclipse.org/ci/webdev/job/public/job/sparkplug.eclipse.org/view/change-requests/job/MR-159/1/console