PHP 8 support - fix code related to changes in CURL

[karyna-t]

Description

Fixed fragments of code related to changes in Curl in PHP 8 (where it was necessary) according to the document:
https://www.php.net/manual/en/migration80.incompatible.php

Fixed Issues (if relevant)

1. [MFTF] Investigate and fix code related to changes in CURL magento2#33781: [MFTF] Investigate and fix code related to changes in CURL

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/verification tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)
• Changes to Framework doesn't have backward incompatible changes for tests or have related Pull Request with fixes to tests

[KevinBKozan]

@magento import pull request to https://github.com/magento-commerce/magento2-functional-testing-framework

[magento-engcom-team]

@KevinBKozan the pull request successfully imported.