Commit 4c594ca8ef1 for php

commit 4c594ca8ef1a0d5195349e1b53a3a0bf74f98f0f
Merge: 6620f315b47 464c95a78ec
Author: Daniel Scherzer <daniel.e.scherzer@gmail.com>
Date:   Mon Oct 5 11:22:51 2026 -0700

    Merge branch 'PHP-8.6'

    * PHP-8.6:
      [`%pS` migration] Use `%pS` in ext/session (#23168)