Update ironbank/opensource/minio/minio Docker tag to RELEASE.2025-10-15T17-29-55Z

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/minio/minio (source)	minor	RELEASE.2025-09-07T16-13-09Z -> RELEASE.2025-10-15T17-29-55Z

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• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
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