As DavidR says, report the issue to avast team and wait for a final verdict as they are the only ones to come and unblock.
In the mean time, some results from scanning and linting…Reputation Check
PASSED
Google Safe Browse:OK
Spamhaus Check:OK
Abuse CC:OK
Dshield Blocklist:OK
Cisco Talos Blacklist:OK
Web Server:
Apache
X-Powered-By:
None
IP Address:
95.217.107.54
Hosting Provider:
Hetzner Online GmbH
Shared Hosting:
1 sites found on 95.217.107.54 → https://www.shodan.io/host/95.217.107.54/raw