Enable GHSA-9pqp-7h25-4f32.phpt on Windows

Closes GH-16933.

Author: cmb69

tests/basic/GHSA-9pqp-7h25-4f32.phpt

@@ -5,9 +5,6 @@ GHSA-9pqp-7h25-4f32
 if (!getenv('TEST_PHP_CGI_EXECUTABLE')) {
     die("skip php-cgi not available");
 }
-if (substr(PHP_OS, 0, 3) == 'WIN') {
-    die("skip not for Windows in CI - probably resource issue");
-}
 ?>
 --FILE--
 <?php