[clickhouse-backup] Set read timeout for large datasets

[sushraju]

summary

For large datasets a read_timeout needs to be set in the database connect string. This is helpful for alter table freeze to work in particular.

issue

More here:
244

[Slach]

@sushraju receive_timeout already added and it's enough, thank a lot anyway for your contribution

[Slach]

It's wonder, but clickhouse-go support read_timeout and write_timeout instead of receive_timeout and send_timeout