Add liveness and readiness probes for split brain detection container

[ninjatec]

What this PR does / why we need it:

Which issue this PR fixes

(optional, in fixes #367 format, will close that issue when PR gets merged)

• fixes #

Special notes for your reviewer:

Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• DCO signed
• [N ] Chart Version bumped
• Variables are documented in the README.md
• Title of the PR starts with chart name (e.g. [stable/mychartname])

[Copilot]

Pull Request Overview

This PR adds configurable liveness and readiness probes for the split brain detection sidecar container in the Redis HA StatefulSet to improve monitoring and health checking capabilities.

Key Changes:

• Added liveness and readiness probe configuration to splitBrainDetection section in values.yaml
• Implemented probe definitions in the StatefulSet template for the split-brain-fix container

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
charts/redis-ha/values.yaml	Added configuration parameters for liveness and readiness probes under splitBrainDetection section
charts/redis-ha/templates/redis-ha-statefulset.yaml	Implemented liveness and readiness probes for the split-brain-fix container using the new configuration values

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[DandyDeveloper]

@ninjatec This would be better done as a toYaml inside the manifest, so you don't need the enable:

  splitBrainDetection:
    livenessProbe:
        ...

Then:

  livenessProbe: {{ .Values.splitBrainDetection.livenessProbe | toYaml | nindent X }}