Merge branch 'master' of github.com:AlexAkulov/clickhouse-backup

add 21.8 to release matrix

improve logging to catch flaky test

Signed-off-by: Slach <bloodjazman@gmail.com>

Merge branch 'master' of github.com:AlexAkulov/clickhouse-backup

bump to v1.0.0

Merge branch 'master' of github.com:AlexAkulov/clickhouse-backup

Actualize ChangeLog.md

Actualize ChangeLog.md

fix corner case when database.sql not exist

Signed-off-by: Slach <bloodjazman@gmail.com>

Merge branch 'master' of github.com:AlexAkulov/clickhouse-backup