bots: Temporarily disable host key checking for the sink
bots: Temporarily disable host key checking for the sink

We are going to deploy the sink as a kubernetes service. Until we fix
that to have a known and static host key, disable host key checking.

This is a bit ugly, but with our existing sinks being both broken,
finding a replacement is urgent.

Closes #12124
cockpit-project/cockpit,martinpitt/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,mvollmer/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,garrett/cockpit,mvollmer/cockpit,cockpituous/cockpit,garrett/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,deryni/cockpit,deryni/cockpit,deryni/cockpit,mvollmer/cockpit,martinpitt/cockpit,garrett/cockpit,garrett/cockpit,deryni/cockpit,cockpituous/cockpit,deryni/cockpit,cockpituous/cockpit,mvollmer/cockpit,cockpituous/cockpit,garrett/cockpit,deryni/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,mvollmer/cockpit