deps: update dependency helm/helm to v3.15.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
helm/helm	patch	v3.15.3 -> v3.15.4

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Release Notes

helm/helm (helm/helm)

### [`v3.15.4`](https://togithub.com/helm/helm/compare/v3.15.3...v3.15.4) [Compare Source](https://togithub.com/helm/helm/compare/v3.15.3...v3.15.4)

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