Shouldn't need to pass a --billing-account flag to gcloud run deploy, because a project is already associated with a billing account.Seems like having to give google information it should already know.

Try downgrading the CLI `gcloud components update --version 455.0.0` I found this started happening after I ran `gcloud components update` which upgraded it to 456.0.0I downgraded to 455.0.0 again and it deployed fine.Check your version with `gcloud ...