chore(deps): update grafana/grafana docker tag to v13.2.3

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana/grafana	patch	13.2.0 → 13.2.3

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Release Notes

grafana/grafana (grafana/grafana)

v13.2.3

Security

• Security: Fix CVE-2026-13719
• Security: Fix CVE-2026-13720
• Security: Fix CVE-2026-81841

v13.2.2

Security

• Security: Fix CVE-2026-15815
• Security: Fix CVE-2026-76154
• Security: Fix CVE-2026-79656

Bug fixes

• Dashboards: Preserve query variable refresh setting on v2 dashboard import #​132089, @​grafana-writer[bot]
• Provisioning: Fix folder rename UID collision during full sync #​132157, @​grafana-writer[bot]

v13.2.1

Security

• Security: Fix CVE-2026-12704
• Security: Fix CVE-2026-14199

Bug fixes

• Dashboards: Fix adhoc and groupby variable datasource on UI import #​131819, @​grafana-writer[bot]
• Packaging: Fix issue with bundled plugins not being moved properly #​131037, @​grafana-writer[bot]
• PanelEditor: Fix options pane not resizable beyond the preview's content width #​131608, @​grafana-writer[bot]

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