Update Helm release kube-prometheus-stack to v81.2.1

[renovate]

This PR contains the following updates:

Package	Update	Change
kube-prometheus-stack (source)	patch	81.2.0 → 81.2.1

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Release Notes

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

v81.2.1

Compare Source

kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.

What's Changed

• [CI] Update actions/checkout action to v6.0.2 by @​renovate[bot] in #​6507
• [kube-prometheus-stack] Update kube-prometheus-stack dependency non-major updates by @​renovate[bot] in #​6506

Full Changelog: prometheus-community/helm-charts@prometheus-yet-another-cloudwatch-exporter-0.41.0...kube-prometheus-stack-81.2.1

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