[PHP] Update to 1.84

docker-compose.yml

@@ -106,7 +106,7 @@ services:
             - rspamd
 
     php-fpm-mailcow:
-      image: mailcow/phpfpm:1.83
+      image: mailcow/phpfpm:1.84
       command: "php-fpm -d date.timezone=${TZ} -d expose_php=0"
       depends_on:
         - redis-mailcow