feat(helm): update chart kube-prometheus-stack to 61.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
kube-prometheus-stack (source)	minor	61.1.1 -> 61.2.0

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Release Notes

prometheus-community/helm-charts (kube-prometheus-stack)

### [`v61.2.0`](https://togithub.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-61.1.1...kube-prometheus-stack-61.2.0) [Compare Source](https://togithub.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-61.1.1...kube-prometheus-stack-61.2.0)

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