Make 8.5 the main PHP version

[W0rma]

Description

• Changes the default, dev version to PHP 8.5, adds transpilation to PHP 8.4.
• Fixes deprecated setAccessible() calls which are noop since PHP 8.1.

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[coveralls]

Pull Request Test Coverage Report for Build 20537035017

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 20365687605:	0.0%
Covered Lines:	1586
Relevant Lines:	1586

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💛 - Coveralls

[W0rma]

I didn't check whether all setAccessible() calls are updated, I'm gonna assume they are.

@RikudouSage Yes, I added a PHP version check to all of them.

[stale[bot]]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.