Commit 2934c309fe1 for php

commit 2934c309fe10c5e29ece860613eaf8f4aa8539a8
Merge: 844dad90f58 57978902bec
Author: Arnaud Le Blanc <arnaud.lb@gmail.com>
Date:   Mon Nov 2 16:39:53 2026 +0100

    Merge branch 'PHP-8.6'

    * PHP-8.6:
      Fix imagetruecolortopalette() error message for $num_colors (#24780)