Updates the specified group with the specified attributes.
cognitoidentityprovider_update_group(GroupName, UserPoolId, Description,
  RoleArn, Precedence)[required] The name of the group.
[required] The user pool ID for the user pool.
A string containing the new description of the group.
The new role ARN for the group. This is used for setting the
cognito:roles and cognito:preferred_role claims in the token.
The new precedence value for the group. For more information about this parameter, see .
svc$update_group( GroupName = "string", UserPoolId = "string", Description = "string", RoleArn = "string", Precedence = 123 )
Calling this action requires developer credentials.
If you don\'t provide a value for an attribute, it will be set to the default value.