Error while installing aztfmod/azurecaf v2.0.0-preview3

[archmangler]

The provider seems unavailable again (this seems to be a recurring issue over time):

╷
│ Error: Failed to install provider
│ 
│ Error while installing aztfmod/azurecaf v2.0.0-preview3: could not query
│ provider registry for registry.terraform.io/aztfmod/azurecaf: failed to
│ retrieve authentication checksums for provider: the request failed after 2
│ attempts, please try again later: 503 Service Unavailable returned from
│ objects.githubusercontent.com
╵

At around now I suspect numerous customer terraform CAF deployments are failing ...