Update Ironbank

This MR contains the following updates:

NOTE: Dashboards have been updated as well as enhancements to our dashboard syncing process. A helper has been added for backward compatibility with the kube-prometheus-stack upstream chart to ensure we no longer need to manually modify the dashboard values to deploy correctly. The DEVELOPMENT_MAINTENANCE.md documentation has also been updated to reflect this change.

Package	Update	Change
gluon	minor	0.6.3 -> 0.7.0
grafana (source)	minor	9.2.10 -> 9.3.1
registry1.dso.mil/ironbank/big-bang/grafana/grafana-plugins (source)	minor	12.0.2 -> 12.1.0
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	patch	1.30.6 -> 1.30.7
registry1.dso.mil/ironbank/opensource/grafana/grafana-image-renderer (source)	major	3.12.9 -> v4.0.10

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• 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

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