devel/ioncube: Update 14.4.1 => 15.5.0

Changelog:
2026-03-12 15.5.0:

• Fix for a bug with getStaticVariables in PHP 8 where the reflection function did not get the updated values of the static variables after the subject function was run.

2025-12-02 15.5.0 BETA (update):

• Fix for beta PHP 8.5.0 loaders where a missing symbol error would occur if PHP was configured with --enable-rtld-now.

2025-11-21 15.5.0 BETA:

• Beta release of PHP 8.5 loaders for Linux that will run encoded files produced by the PHP 8.4, 8.3 & 8.2 Encoders. These loaders should only be used for testing and not in production.

2025-10-14 15.0.0:

• New loaders required to run files produced by the version 15 encoders. In particular, the PHP 8.4 Loader will run files produced by the V15i PHP 8.4 encoder as well as files produced by the PHP 8.2 and 8.3 encoders. The new loaders will also run files produced by earlier versions of the encoder.

https://www.ioncube.com/loaders.php

Replace "MAINTAINER_MODE" with ".ifmake makesum".

PR: 293711