Update Ironbank

This MR contains the following updates:

Package	Update	Change
gluon	patch	0.5.3 -> 0.5.4
minio-instance (source)	major	5.0.15-bb.2 -> 6.0.3-bb.2

Complete MR checklist

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• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
• Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines

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Upgrade Notices

• gluon 0.5.3 -> 0.5.4
• minio-instance 5.0.15-bb.2 -> 6.0.3-bb.2

⚠ Upstream chart changes to the statefulset templates require deleting the thanos-storegateway statefulset before running a helm upgrade. This can be done by running the following command:

kubectl delete statefulset thanos-storegateway -n thanos