Update go-redis/redis to v9. (#1847)

* Update go-redis/redis to v9.
- And updated redislock, testify, ginko and gomega have also been updated.
- Renamed the option `IdleTimeout` to `ConnMaxIdleTime` because of https://github.com/go-redis/redis/blob/517938a6b083b8d4ffbc9d46c0bd9df19f10ffaf/CHANGELOG.md

* Update CHANGELOG.md

* Dropping dot import of the types since they created aliases now

* fixing some error messages to make tests happy

* updating more error messages that were changed to make tests happy

* reverting error messages

Co-authored-by: Muhammad Arham <marham@i2cinc.com>