chore(deps): update grafana/grafana docker tag to v13.2.4

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana/grafana	patch	13.2.3 → 13.2.4

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Release Notes

grafana/grafana

v13.2.4

Security

• Security: Fix CVE-2026-15577
• Security: Fix CVE-2026-33374
• Security: Fix CVE-2026-93294
• Security: Fix CVE-2026-95502

Features and enhancements

• Alerting: Strip sensitive headers from oauth2 cross-host redirects #​134433, @​JacobsonMT
• Dashboard: Fall back when collection deletion is unsupported #​134224, @​bestend
• Git Sync: Clarify repository links for pure Git #​134253, @​ferruvich
• Provisioning: Allow resource previews in unsynced folders #​134391, @​grafana-writer[bot]
• Provisioning: Reject invalid resource names before API calls #​133776, @​grafana-writer[bot]
• Provisioning: Show last checked time in Pull status #​134483, @​ferruvich
• Provisioning: Skip previews for pull requests from forks #​133799, @​ferruvich
• Provisioning: Stop PR previews when refs disappear #​133855, @​ferruvich
• Provisioning: Support legacy paths and diagnose missing source annotations #​133779, @​grafana-writer[bot]
• Provisioning: write terminal sync status back to repository on early sync-job failures and Respect Git Sync polling intervals after unchanged refs #​134478, @​mustafasencer

Bug fixes

• CVE-2026-92539: IAM: Fix: SCIM (Enterprise)

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