v.2.9.0

Improvements:

1. [LUNA-6558] Support for Redis username auth option. For REDIS_DB_ADDRESS configuration, user parameter added.

2. [LUNA-6558] Support for Redis Sentinel auth configuration. For REDIS_DB_ADDRESS.SENTINEL config section, user & password parameters added.

Migration:

See a migration manual.

[LUNA-6558] See a migration manual.