Revert "php: Rebase on Debian 12" (#5956)

* Revert "php: Rebase on Debian 12 (#5951)"

This reverts commit 9b478b3859.

* Revert all before "the storm" in php world

docker-compose.yml

@@ -110,7 +110,7 @@ services:
             - rspamd
 
     php-fpm-mailcow:
-      image: mailcow/phpfpm:1.89
+      image: mailcow/phpfpm:1.87
       command: "php-fpm -d date.timezone=${TZ} -d expose_php=0"
       depends_on:
         - redis-mailcow