Update registry1.dso.mil/ironbank/redhat/ubi/ubi8-minimal Docker tag to v8.9

This MR contains the following updates:

Package	Type	Update	Change
registry1.dso.mil/ironbank/redhat/ubi/ubi8-minimal	ironbank-base	minor	8.8 -> 8.9
registry1.dso.mil/ironbank/redhat/ubi/ubi8-minimal	final	minor	8.8 -> 8.9

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