Update base image to alpine 3.16 and updated some dependencies

docker-compose.yml

@@ -104,7 +104,7 @@ services:
             - rspamd
 
     php-fpm-mailcow:
-      image: mailcow/phpfpm:1.78
+      image: mailcow/phpfpm:1.79
       command: "php-fpm -d date.timezone=${TZ} -d expose_php=0"
       depends_on:
         - redis-mailcow