Resolved
This incident has been resolved.
Monitoring
Jobs are processing successfully.
GitHub themselves do seem to be experiencing increased instability in their API, causing jobs to retry downloading actions, sometimes fail to clone, etc.
Identified
We have identified a GitHub API issue causing this delay. Jobs are starting to process now, we have deployed additional capacity to handle the incoming jobs.
Investigating
We are observing issues with some percentage of GitHub Actions jobs failing to be delivered to their runner in a 10-minute window of time, causing them to time out. We are investigating.