Update Redis Configuration in NestJS Documentation

[NG-Joseph]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/docs.nestjs.com/blob/master/CONTRIBUTING.md

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Docs
• Other... Please describe:

What is the current behavior?

The current behavior is an outdated Redis implementation in the NestJS documentation due to changes made in the cache-manager-redis-store package.

Issue Number: N/A

What is the new behavior?

The new behavior includes updating the Redis configuration in the NestJS documentation to reflect the changes made in the cache-manager-redis-store package. The updated configuration includes specifying the socket object, setting the Redis database, and defining a ttl value for cache entries.

Does this PR introduce a breaking change?

• Yes
• [x ] No

Other information

N/A

[Tony133]

There would already be a PR open here: #2703, waiting for it to be merged.

[NG-Joseph]

Noted. Thanks!