feat: Update to PHP-Scoper 0.18.5 #951

Job	Run time
Lint CS	23s
AutoReview Tests	15s
Unit Tests (PHP 8.1, locked)	31s
Wait for the PHAR & Docker images	1m 32s
Unit Tests (PHP 8.1, lowest)	19s
Unit Tests (PHP 8.1, highest)	28s
Update the RequirementChecker	0s
Unit Tests (PHP 8.2, highest)	26s
Unit Tests (PHP 8.3, highest, --ignore-platform-req=php+)	31s
End-to-End Tests (_test_e2e_pass_no_config_min_composer_php, ghcr.io/box-project/box_php725)	15s
End-to-End Tests (_test_e2e_pass_no_config_min_box_php, ghcr.io/box-project/box_php81)	7s
End-to-End Tests (_test_e2e_pass_complete_min_composer_php, ghcr.io/box-project/box_php725)	21s
End-to-End Tests (_test_e2e_pass_complete_min_box_php, ghcr.io/box-project/box_php81)	10s
End-to-End Tests (_test_e2e_fail_complete_min_composer_php, ghcr.io/box-project/box_php725)	13s
End-to-End Tests (_test_e2e_fail_complete_min_box_php, ghcr.io/box-project/box_php81)	15s
End-to-End Tests (_test_e2e_skip_min_composer_php, ghcr.io/box-project/box_php725)	10s
End-to-End Tests (_test_e2e_pass_complete_requirement_checker_not_disabled, ghcr.io/box-project/b...	13s
End-to-End Tests (_test_e2e_fail_conflict, ghcr.io/box-project/box_php81)	12s
RequirementChecker status	1s
	6m 22s

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