Update Ironbank

This MR contains the following updates:

Package	Update	Change
gluon	patch	0.5.15 -> 0.5.16
registry1.dso.mil/ironbank/elastic/elasticsearch/elasticsearch (source)	major	8.17.4 -> 9.0.0
registry1.dso.mil/ironbank/elastic/kibana/kibana (source)	major	8.17.4 -> 9.0.0
registry1.dso.mil/ironbank/opensource/kubernetes/kubectl (source)	patch	v1.32.3 -> v1.32.4

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

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• Tested and Validated changes

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Upgrade Notices

elasticsearchKibana Major Upgrade Notice: Elasticsearch and Kibana images have been updated from 8.x to 9.x. Please review Elasticsearch's documentation for breaking changes that may affect custom configurations https://www.elastic.co/docs/release-notes.