tt CLI (2.10): `tt rs vshard bootstrap` ignores an error and retries within `timeout` flag period

[xuniq]

Product: tt CLI
Since: tt 2.10.0
Dev ticket: tarantool/tt@cd6e74a
Root document: https://www.tarantool.io/en/doc/latest/tooling/tt_cli/replicaset/

SME: @ oleg-jukovec @ patapenka-alexey

Details

rs: retry to bootstrap vshard within the timeout
This commit makes the timeout parameter define the duration
for vshard bootstrapping attemps.

Closes #TNTP-2729