/// <summary>
/// Updates key attributes
/// </summary>
/// <param name="keyName"> a global key identifier of the key to update </param>
/// <returns> updated key bundle </returns>
private static KeyBundle UpdateKey(string keyName)
{
var vaultAddress = inputValidator.GetVaultAddress();
keyName = (keyName == string.Empty) ? inputValidator.GetKeyId() : keyName;
// Get key attribute to update
var keyAttributes = inputValidator.GetUpdateKeyAttribute();
var updatedKey = keyVaultClient.UpdateKeyAsync(vaultAddress, keyName, attributes: keyAttributes).GetAwaiter().GetResult();
Console.Out.WriteLine("Updated key:---------------");
PrintoutKey(updatedKey);
return(updatedKey);
}