feat: add Redis sentinel master config

[VivekPipaliya23]

Proposed Changes

• This change will allow adding the sentinel master name.
• All existing container images have been migrated from the public catalog (docker.io/bitnami) to the “Bitnami Legacy” repository (docker.io/bitnamilegacy), where they will no longer receive updates.

Types of Changes

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• Bugfix (non-breaking change which fixes issue #XXXX)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (correction or otherwise)
• Cosmetics (whitespace, styles...)
• DevOps (Build scripts, pipelines...)

Checklist

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• I have added tests that prove my fix is effective or that my feature works
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