Update laminas/laminas-db to PHP 8 compatible version

[sivaschenko]

Update laminas/laminas-db to PHP 8 compatible version (2.12.0)

[m2-assistant]

Hi @sivaschenko. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

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Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

For more details, please, review the Magento Contributor Assistant documentation.

Please, add a comment to assign the issue: @magento I am working on this

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[AndreyChorniy]

@magento I am working on this