Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/argocd	patch	v2.7.1 -> v2.7.4
registry1.dso.mil/ironbank/big-bang/argocd	patch	v2.7.1 -> v2.7.4
registry1.dso.mil/ironbank/bitnami/analytics/redis-exporter	minor	v1.50.0 -> v1.51.0

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