PHP 8.4: Update Zlib lib requirement (#4105)

Co-authored-by: Christoph M. Becker <[email protected]>

Author: Girgias

reference/zlib/setup.xml

@@ -9,8 +9,9 @@
   &reftitle.required;
   <para>
    This module uses the functions of <link xlink:href="&url.zlib;">zlib</link>
-   by Jean-loup Gailly and Mark Adler. You have to use a zlib
-   version &gt;= 1.2.0.4 with this module.
+   by Jean-loup Gailly and Mark Adler.
+   As of PHP 8.4.0, the minimum zlib version required is 1.2.11.
+   Prior to PHP 8.4.0, the minimum zlib version required was 1.2.0.4.
   </para>
  </section>
  <!-- }}} -->