fix yaml syntax error

[acosferreira]

Jira Issue: https://issues.redhat.com/browse/AAP-49759

Description

Change 'True' to true to avoid yaml syntax error when operator installed

Testing

Steps to test

1. Pull down the PR
2. ...
3. ...

Scenarios tested

Production deployment

• This code change is ready for production on its own
• This PR should be released in 2.4 (cherry-pick should be created)
• This PR should be released in 2.5 (cherry-pick should be created)
• This PR should be released in 2.6 (cherry-pick should be created)
• This code change requires the following considerations before going to production:

---

Note

Replace string 'True' with boolean true for enable_health_check across model pipeline YAML template sections.

• Templates:
  • Update roles/model/templates/secrets/model_pipeline_config.yaml.j2 to use boolean true (not string) for enable_health_check in:
    • ModelPipelineChatBot and ModelPipelineStreamingChatBot
    • ModelPipelineCompletions, ModelPipelineContentMatch
    • ModelPipelinePlaybookGeneration, ModelPipelinePlaybookExplanation
    • ModelPipelineRoleGeneration, ModelPipelineRoleExplanation

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