Fix text on badge for health check

What does this MR do and why?

Fix text on badge for health check

Closes #478246 (closed)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

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Before	After

How to set up and validate locally

1. Enable Duo Pro following instructions in https://docs.gitlab.com/ee/development/ai_features/index.html
2. Run GDK in Self-Managed mode and enable AI features for the instance
3. Enabled the :cloud_connector_status feature flag via Rails console
4. Navigate to /admin/code_suggestions
5. Use the Run health check button to view results.