Patchtester 4.4.0 - PHP 8.4 Deprecations

[muhme]

Steps to reproduce the issue

• Running Joomla 5.4-dev with PHP 8.4
• Installing from URL https://github.com/joomla-extensions/patchtester/releases/download/4.4.0/com_patchtester_4.4.0.tar.bz2
• Setting GitHub Token
• Fetching GitHub Data

Expected result

• Fetching GitHub data is working, or in case of errors, shows the error and fails

Actual result

• The 'Fetching GitHub Data' overlay always gets stuck indefinitely on the first attempt.

System information (as much as possible)

• Running Joomla 5.4-dev with PHP 8.4

Additional comments

• Cancel 'X' Fetching GitHub Data and tryping second time works
• Reason seems to be the Deprecated in first AJAX request, see