Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/istio/operator	patch	1.19.7 -> 1.19.8
ironbank/tetrate/istio/operator	patch	1.20.3 -> 1.20.4
registry1.dso.mil/ironbank/opensource/istio/operator	patch	1.19.7 -> 1.19.8
registry1.dso.mil/ironbank/tetrate/istio/operator	patch	1.20.3-tetratefips-v0 -> 1.20.4-tetratefips-v0

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