GitHub Banned All CI for Our (OSS) Org Because of Bad Drive-By Contributors (opens in new tab)

A few weeks ago, Github decided to disable all Github Actions (including self-hosted runners) access for our open source org (lightningdevkit) for some unknown reason. As some of us happen to work for a company with a large Github corporate account (Block), we tried to escalate through our corporate reps, who informed us that the issue appeared to be some drive-by contributors who weren't org members being flagged for using Actions to do crypto-mining. As the org isn't technically in our corp...