skip test on PHP 8.5 which prints additional stacktrace

Author: staabm

tests/end-to-end/regression/6294.phpt

@@ -2,6 +2,11 @@
 Silent failure of PHP fatal errors
 
 https://github.com/sebastianbergmann/phpunit/issues/6294
+--SKIPIF--
+<?php declare(strict_types=1);
+if (version_compare(PHP_VERSION, '8.5.0-dev', '>=')) {
+    print 'skip: PHP < 8.5 is required.';
+}
 --INI--
 display_errors=0
 --FILE--