tt CLI (2.11): `tt cluster failover` commands support TcS as config storage

[TarantoolBot]

Product: tt CLI
Since: tt 2.11.0
Dev ticket:
Root document: https://www.tarantool.io/en/doc/latest/tooling/tt_cli/cluster/#tt-cluster-failover

SME: @ AlexandrLitkevich @ oleg-jukovec @ elhimov

Details

Requested by @elhimov in tarantool/tt@831c211.