Research and decide where to host the lizard failover

Once we have updated specs (#10243 (closed)) we can find a place to host it. Take into account that we already have an unused VM at tachanka, TTP may be able to host something for us now, and we need another system for monitoring (#8646 (closed)).

Parent Task: #6185 (closed)

Related issues

Related to #8646 (closed)
Blocked by #10243 (closed)
Blocks #6250 (closed)

Original created by @intrigeri on 10244 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information