Update grafana/grafana Docker tag to v13

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana/grafana	major	12.4.2 → 13.0.1

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Release Notes

grafana/grafana (grafana/grafana)

v13.0.1

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Features and enhancements

• Dashboard: Preserve timezone user-preference when converting V1 → V2 #​122673, @​ivanortegaalba
• Provisioning: Include dashboard validation errors in pull request comments #​122433, @​gttrigger

Bug fixes

• Unified storage: Skip migrations if dualwrite state shows they were already migrated #​122880, @​stephaniehingtgen

v12.4.3

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Features and enhancements

• Analytics: Keep internal dashboard id #​121417, @​ryantxu
• Go: Update to 1.25.9 #​122095, @​macabu
• Reporting: Correctly apply appSubURL to report settings requests (Enterprise)

Bug fixes

• Alerting: Document Grafana HA Alertmanager cluster metrics prefix change in Grafana 12.4 #​121481, @​alexander-akhmetov

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