🐄 Jan(moo)uary Update 2022 - The U2F --> WebAuthn (2FA) Update

Images which get a new tag (on docker hub):

unbound-mailcow (Tag 1.15)
acme-mailcow (Tag 1.81)
dockerapi-mailcow (Tag 1.41)
netfilter-mailcow (Tag 1.46)
watchdog-mailcow (Tag 1.96)
These docker tag changes include the Alpine Update to 3.15

clamd-mailcow (Tag 1.43)
sogo-mailcow (Tag 1.106)
olefy-mailcow (Tag 1.8.1)
dovecot-mailcow (Tag 1.159)
solr-mailcow (Tag 1.8.1)
Very important changes:

U2F API Removal --> Replaced with WebAuthn API (TFA) [More Details here] (Thanks to @FreddleSpl0it)
Important changes:

Dovecot Update to 2.3.17.1
SOGO Update to 5.5.0
ClamAV Update to 0.103.5 (DDOS Fix)
Solr Security Fix Fix (Removed breached log4j Class)
Alpine Linux Update to 3.15
Better Acme SSL Path recognition for Alpine Versions after 3.15 (Thanks to @mkuron) --> Fixing issue: Possible regression in acme-mailcow 1.80 #4392
Olefy Ping Fix (Will fix: Olefy 1.8 broken  #4401) (Thanks to @a16bitsysop for the Fix!)
Netfilter GeoIP Fix (Thanks to @marcvorwerk) --> Fixing issue: Netfilter Python error #2668