Update Helm release prometheus to v27.12.1

This MR contains the following updates:

Package	Update	Change
prometheus (source)	minor	27.11.0 -> 27.12.1

Notes for Reviewer

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Release Notes

prometheus-community/helm-charts (prometheus)

v27.12.1

Compare Source

Prometheus is a monitoring system and time series database.

What's Changed

• [prometheus] create configmap only when both configMapOverrideName and configFromSecret are empty by @​jiayuchen888 in https://github.com/prometheus-community/helm-charts/pull/5580

Full Changelog: https://github.com/prometheus-community/helm-charts/compare/kube-state-metrics-5.33.1...prometheus-27.12.1

v27.12.0

Compare Source

Prometheus is a monitoring system and time series database.

What's Changed

• [prometheus] Update prometheus dependency non-major updates by @​renovate in https://github.com/prometheus-community/helm-charts/pull/5576

Full Changelog: https://github.com/prometheus-community/helm-charts/compare/prometheus-pushgateway-3.2.0...prometheus-27.12.0

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