Intermittent GitHub Actions workflow failures

This incident has been resolved.

We have made progress understanding the source of these errors and are working on a mitigation.

We're continuing to investigate elevated errors during GitHub Actions workflow runs. At this stage our monitoring indicates that these errors are impacting no more than 3% of all runs.

We're continuing to investigate intermittent failures with GitHub Actions workflow runs.

We're seeing errors reported with a subset of GitHub Actions workflow runs, and are continuing to investigate.

We are investigating reports of degraded performance for Actions