Magento 2.4.6 compatibility issue

[Nuranto]

Zend_Json has been removed from 2.4.6, but still in use here :

data-migration-tool/src/Migration/Handler/VisualMerchandiser/SmartAttribute.php

Lines 38 to 39 in 7b02ed9

	$attributeString = \Zend_Json::encode($attributes);

[m2-assistant]

Hi @Nuranto. Thank you for your report.
To speed up processing of this issue, make sure that you provided sufficient information.
Add a comment to assign the issue: @magento I am working on this

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