Log Message:
redis: updated to 6.0.5

Redis 6.0.5

Upgrade urgency MODERATE: several bugs with moderate impact are fixed here.

The most important issues are listed here:

* Fix handling of speical chars in ACL LOAD.
* Make Redis Cluster more robust about operation errors that may lead
  to two clusters to mix together.
* Revert the sendfile() implementation of RDB transfer. It causes some delay.
* Fix TLS certificate loading for chained certificates.
* Fix AOF rewirting of KEEPTTL SET option.
* Fix MULTI/EXEC behavior during -BUSY script errors.