Commit 9309a1e27c0 for php.net

commit 9309a1e27c0ddac7df33a58b6757373ab94c8d19
Merge: 752c9ff6e90 75f4e8d2075
Author: Weilin Du <weilindu@php.net>
Date:   Tue Sep 8 00:08:53 2026 +0800

    Merge branch 'PHP-8.4' into PHP-8.5

    * PHP-8.4:
      Fix bounds check in multibyte UTF detection (#23527)