Includes:
- fix for unavailable endpoints of client pool,
- session token cache with request retry in case
of missing session token,
- migrated neofs client.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
neofs-node v0.26.1 release tracks session token expiration
more closely, so it has to be specified correctly.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>