Seems like www.foundationdb.org is down and is causing CI/CD pipelines to fail as well when downloading packages:
> Run wget https://www.foundationdb.org/downloads/6.3.15/ubuntu/installers/foundationdb-clients_6.3.15-1_amd64.deb
> --2021-12-21 09:37:51-- https://www.foundationdb.org/downloads/6.3.15/ubuntu/installers/foundationdb-clients_6.3.15-1_amd64.deb
> Resolving www.foundationdb.org (www.foundationdb.org)... 17.253.31.203, 17.253.31.202, 2620:149:a06:f000::1, ...
> Connecting to www.foundationdb.org (www.foundationdb.org)|17.253.31.203|:443... connected.
> HTTP request sent, awaiting response... 404 Not Found
> 2021-12-21 09:37:52 ERROR 404: Not Found.