More precise gc_status() signature for PHP8.3+

[staabm]

Noticed while working thru PHPUnit

gc_status() now returns the following additional fields: "running", "protected", "full", "buffer_size", "application_time", "collector_time", "destructor_time", and "free_time".

see

• https://www.php.net/manual/en/function.gc-status.php
• https://3v4l.org/Ok8K6#v8.3.4

[phpstan-bot]

This pull request has been marked as ready for review.

[ondrejmirtes]

Thank you.