php: use correct php image + workaround of #6149 (#6159)

* compose: bump php-fpm container to correctly use patched c-ares

* [Web] check $containers_info contains required fields

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Co-authored-by: FreddleSpl0it <patschul@posteo.de>

docker-compose.yml

@@ -112,7 +112,7 @@ services:
             - rspamd
 
     php-fpm-mailcow:
-      image: mailcow/phpfpm:1.91
+      image: mailcow/phpfpm:1.91.1
       command: "php-fpm -d date.timezone=${TZ} -d expose_php=0"
       depends_on:
         - redis-mailcow