Hi, How can I create a host key for a function app via Pulumi? e.g. the equivalent of

{
  "type": "Microsoft.Web/sites/host/functionKeys",
  "apiVersion": "2018-11-01",
  "name": "[concat(parameters('functionAppName'), '/default/keyname')]",
  "properties": {
    "name": "keyname"
  }
}