Updates an alias of a theme.
quicksight_update_theme_alias(AwsAccountId, ThemeId, AliasName,
ThemeVersionNumber)
[required] The ID of the AWS account that contains the theme alias that you\'re updating.
[required] The ID for the theme.
[required] The name of the theme alias that you want to update.
[required] The version number of the theme that the alias should reference.
svc$update_theme_alias( AwsAccountId = "string", ThemeId = "string", AliasName = "string", ThemeVersionNumber = 123 )