[netfilter] fix negative timer, no unbanning of IPs (#6575)

* [netfilter] added debug logs and updated autopurge

* updated "Allow/Blacklist" terms

* netfilter: bumped compose version

* netfilter: changed black/whitelist terms in code

---------

Co-authored-by: Denis Evers <git@evers.sh>
Co-authored-by: DerLinkman <niklas.meyer@servercow.de>

docker-compose.yml

@@ -477,7 +477,7 @@ services:
             - acme
 
     netfilter-mailcow:
-      image: ghcr.io/mailcow/netfilter:1.61
+      image: ghcr.io/mailcow/netfilter:1.62
       stop_grace_period: 30s
       restart: always
       privileged: true