chore(deps): update helm release kube-prometheus-stack to v89.2.1

[renovate]

This PR contains the following updates:

Package	Update	Change
kube-prometheus-stack (source)	patch	89.2.0 → 89.2.1

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Release Notes

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

v89.2.1

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

• [kube-prometheus-stack] Set a default commonName for prometheus cert-… by @​maarous in #​7234

Full Changelog: prometheus-community/helm-charts@kube-prometheus-stack-89.2.0...kube-prometheus-stack-89.2.1

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[github-actions]

✅ AI gate passed

• Decision: automerge
• Risk: low
• Hard gate: passed
• Docs reviewed: 5
• Reason: AI risk=low; Non-JSON AI output; deterministic diff check found version-only changes; flags=non_json_ai_output, version_only_diff

Reviewed docs

• https://github.com/prometheus-operator/kube-prometheus
• https://github.com/prometheus-community/helm-charts
• https://github.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-89.2.1
• https://github.com/maarous
• [kube-prometheus-stack] Set a default commonName for prometheus cert-… prometheus-community/helm-charts#7234