Update Helm release grafana/grafana to v12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
grafana/grafana (source)	ClusterProfile	major	11.6.1 → 12.1.1

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Release Notes

grafana-community/helm-charts (grafana/grafana)

v12.1.1

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] Update docker.io/grafana/grafana Docker tag to v13.0.1 by @​renovate[bot] in #​377

Full Changelog: grafana-community/helm-charts@loki-13.1.1...grafana-12.1.1

v12.1.0

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] Existing image renderer token secret by @​RobertClarke64 in #​372

Full Changelog: grafana-community/helm-charts@loki-13.0.2...grafana-12.1.0

v12.0.1

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The leading tool for querying and visualizing time series and metrics.

What's Changed

• [grafana] Fix typo in image renderer secret helper by @​RobertClarke64 in #​369

New Contributors

• @​RobertClarke64 made their first contribution in #​369

Full Changelog: grafana-community/helm-charts@loki-13.0.1...grafana-12.0.1

v12.0.0

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Helm chart for Grafana Loki supporting monolithic, simple scalable, and microservices modes.

What's Changed

• docs: clarify pre-migration chart releases signed by a different key by @​Copilot in #​354
• [loki] Set deploymentMode to Monolithic by @​jkroepke in #​258

Full Changelog: grafana-community/helm-charts@synthetic-monitoring-agent-1.9.0...loki-12.0.0

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