Draft: Issue #3512443 by andypost: Add a PHP 8.5 image for early testing

Related to #3512443

php/8.5-ubuntu-apache/conf/apache2/vhost.conf

+<VirtualHost *:80>
+
+  DocumentRoot /var/www/html
+  RewriteEngine On
+  Alias "/apc" "/var/www/apc"
+  Alias "/server-status" "/var/www/apc"
+
+  <Directory /var/www/html>
+    Options Indexes FollowSymLinks MultiViews
+    AllowOverride All
+    Order Allow,Deny
+    Allow from All
+  </Directory>
+
+  ErrorLog /var/log/apache2/test.apache.error.log
+  ServerSignature Off
+  CustomLog /var/log/apache2/test.apache.access.log combined
+
+</VirtualHost>