Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/grafana/grafana-plugins (source)	minor	11.0.0 -> 11.1.0
ironbank/kiwigrid/k8s-sidecar (source)	patch	1.27.2 -> 1.27.4
registry1.dso.mil/ironbank/big-bang/grafana/grafana-plugins (source)	minor	11.0.0 -> 11.1.0
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	patch	1.27.2 -> 1.27.4

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