Update changelog for 3.1.13+dfsg1-5 release

debian/changelog

+php-codeigniter-framework (3.1.13+dfsg1-5) unstable; urgency=medium
+
+  * add patches to support php 8.4
+  * update php 8.4 patches to work on php < 7 as well
+
+ -- Fab Stz <fabstz-it@yahoo.fr>  Sat, 07 Dec 2024 09:37:11 +0100
+
 php-codeigniter-framework (3.1.13+dfsg1-4) unstable; urgency=medium
 
   * d/control: add build-dep to python3-setuptools (Closes: #1069803)