chore(deps): update helm release kepler to v0.5.7

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
kepler (source)	patch	0.5.6 -> 0.5.7

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Release Notes

sustainable-computing-io/kepler-helm-chart (kepler)

### [`v0.5.7`](https://togithub.com/sustainable-computing-io/kepler-helm-chart/releases/tag/kepler-0.5.7) [Compare Source](https://togithub.com/sustainable-computing-io/kepler-helm-chart/compare/kepler-0.5.6...kepler-0.5.7) A Helm chart for kepler (Kubernetes-based Efficient Power Level Exporter)

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