chore(deps): update ironbank

This MR contains the following updates:

Important: This includes a workaround for the upstream issue with the fluentd plugin for ES9, you'll need to update your values as described in the docs/Elasticsearch_Integration.md

                custom_headers {
                  "Accept":"application/vnd.elasticsearch+json; compatible-with=9",
                  "Content-Type":"application/vnd.elasticsearch+json; compatible-with=9"
                }

Package	Update	Change
gluon	minor	0.6.3 -> 0.8.4
registry1.dso.mil/ironbank/opensource/fluentd/fluentd-kubernetes-daemonset (source)	minor	1.18.0 -> 1.19.0

Complete MR checklist

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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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Upgrade Notices

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