Add two strategy for PutBucketSettings request retryer:
* exponential backoff (increasing up to `max_backoff` delays with jitter)
* constant backoff (always the same `max_backoff` delay between requests)
Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
(cherry picked from commit bb81afc14a)
Signed-off-by: Alex Vanin <a.vanin@yadro.com>
