Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/grafana/grafana-plugins (source)	patch	11.2.0 -> 11.2.1
ironbank/kiwigrid/k8s-sidecar (source)	minor	1.27.6 -> 1.28.0
registry1.dso.mil/ironbank/big-bang/grafana/grafana-plugins (source)	patch	11.2.0 -> 11.2.1
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	minor	1.27.6 -> 1.28.0

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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• Tested and Validated changes

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This MR was automatically generated by Renovate Bot.

Upgrade Notices

N/A

added kindmaintenance renovate labels

mentioned in issue #115 (closed)

added teamObservability label

changed the description

changed the description

changed the description

mentioned in issue #117 (closed)

added 3 commits

• edd9efef...a4279ba1 - 2 commits from branch main
• f15e60c2 - Update Ironbank

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changed the description

changed the description

changed the description

added 1 commit

• 13a3bf9f - kpt pull

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added 1 commit

• a0f43695 - looks like dashboard sync is working again

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added 1 commit

• 11964438 - changelog and readme

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marked this merge request as ready

marked the checklist item Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md as completed

marked the checklist item Update Docs with new/updated steps as needed as completed

added 1 commit

• ab39ac9e - remove grafana from values db pull

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added 1 commit

• f528e2b1 - db adjustment and script adjustment

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marked the checklist item Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines as completed