proc_open escape args on Windows test occasionally fails

[bukka]

Description

Occasional failure in nightly (e.g. https://github.com/php/php-src/actions/runs/12227284532/job/34103830222 ):

========DIFF========
001- "&notepad.exe
001+ pwnd!
========DONE========
FAIL GHSA-54hq-v5wp-fqgv - proc_open does not correctly escape args for cmd executing batch files [D:\a\php-src\php-src\ext\standard\tests\general_functions\ghsa-pc52-254m-w9w7_3.phpt] 

PHP Version

PHP 8.x

Operating System

Windows

[nielsdos]

See #17090