Update Ironbank to v3.47.1

This MR contains the following updates:

Package	Update	Change
ironbank/sonatype/nexus/nexus	minor	3.45.1-01 -> 3.47.1-01
registry1.dso.mil/ironbank/sonatype/nexus/nexus	minor	3.45.1-01 -> 3.47.1-01

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