Upgrade engine to php 8.5 (#88)

Author: kayjoosten

core/engine/docker-compose.override.yml

@@ -4,7 +4,7 @@
 # the container. It will destroy the sub-mount!!
 services:
   engine:
-    image: ghcr.io/openconext/openconext-basecontainers/${ENGINE_PHP_IMAGE:-php82-apache2-node20-composer2:latest}
+    image: ghcr.io/openconext/openconext-basecontainers/${ENGINE_PHP_IMAGE:-php85-apache2-node24:latest}
     volumes:
       - ${ENGINE_CODE_PATH}:/var/www/html
       - ./engine/appconf.conf:/etc/apache2/sites-enabled/appconf.conf