chore(deps): update container image kube-prometheus-stack to v56.21.4@923897b by renovate

[truecharts-admin]

This PR contains the following updates:

Package	Update	Change
kube-prometheus-stack (source)	patch	56.21.0 -> 56.21.4

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Configuration

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This PR has been generated by Renovate Bot.

[github-actions[bot]]

📝 Linting results:

:heavy_check_mark: Linting [charts/system/prometheus-operator]: Passed - Took 0 seconds Total Charts Linted: 1 Total Charts Passed: 1 Total Charts Failed: 0

✅ Linting: Passed - Took 0 seconds