Observability rediscluster

[husnialhamdani]

Description
Adding new metrics for RedisCluster, and fix minor misconfig

Fixes #ISSUE

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• Tests have been added/modified and all tests pass.
• Functionality/bugs have been confirmed to be unchanged or fixed.
• I have performed a self-review of my own code.
• Documentation has been updated or added where necessary.

Additional Context

[codecov]

Codecov Report

❌ Patch coverage is 11.11111% with 8 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@e4faaeb). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...controller/rediscluster/rediscluster_controller.go	20.00%	4 Missing ⚠️
internal/monitoring/main.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1444   +/-   ##
=======================================
  Coverage        ?   31.04%           
=======================================
  Files           ?       78           
  Lines           ?     6964           
  Branches        ?        0           
=======================================
  Hits            ?     2162           
  Misses          ?     4625           
  Partials        ?      177           

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