chore(deps): update ironbank

This MR contains the following updates:

Passthrough Standardization:

• Updated ImagePullPolicy: Always
• Updated istio APIVersion to v1
• Removed chart/README.md

Package	Update	Change
gluon	minor	0.7.0 -> 0.9.2
grafana (source)	major	9.3.1 -> 10.0.0
registry1.dso.mil/ironbank/big-bang/grafana/grafana-plugins (source)	minor	12.1.0 -> 12.2.0
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	patch	1.30.7 -> 1.30.10
registry1.dso.mil/ironbank/opensource/grafana/grafana-image-renderer (source)	patch	v4.0.10 -> v4.0.15

Complete MR checklist

Assignee

• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
• Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines

Add supporting info below

Reviewer only

• Tested and Validated changes

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Upgrade Notices

N/A