Add regex for matchstring line in Dockerfiles

Update composer to 2.5.1

docker-compose.yml

@@ -106,7 +106,7 @@ services:
             - rspamd
 
     php-fpm-mailcow:
-      image: mailcow/phpfpm:1.81
+      image: mailcow/phpfpm:1.82
       command: "php-fpm -d date.timezone=${TZ} -d expose_php=0"
       depends_on:
         - redis-mailcow