[8.11](backport #37017) ironbank: move to ubi9

[mergify]

This is an automatic backport of pull request #37017 done by Mergify.
Cherry-pick of d4630af has failed:

On branch mergify/bp/8.11/pr-37017
Your branch is up to date with 'origin/8.11'.

You are currently cherry-picking commit d4630af1cf.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .ci/packaging.groovy
	modified:   Jenkinsfile
	modified:   dev-tools/dependencies-report
	modified:   dev-tools/packaging/packages.yml
	modified:   dev-tools/packaging/templates/docker/Dockerfile.tmpl
	modified:   x-pack/heartbeat/ironbank/Makefile

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   dev-tools/packaging/templates/ironbank/auditbeat/Dockerfile
	both modified:   dev-tools/packaging/templates/ironbank/auditbeat/hardening_manifest.yaml
	both modified:   dev-tools/packaging/templates/ironbank/filebeat/Dockerfile
	both modified:   dev-tools/packaging/templates/ironbank/filebeat/hardening_manifest.yaml
	both modified:   dev-tools/packaging/templates/ironbank/heartbeat/Dockerfile
	both modified:   dev-tools/packaging/templates/ironbank/heartbeat/hardening_manifest.yaml
	both modified:   dev-tools/packaging/templates/ironbank/metricbeat/Dockerfile
	both modified:   dev-tools/packaging/templates/ironbank/metricbeat/hardening_manifest.yaml
	both modified:   dev-tools/packaging/templates/ironbank/packetbeat/Dockerfile
	both modified:   dev-tools/packaging/templates/ironbank/packetbeat/hardening_manifest.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[mergify]

This pull request has not been merged yet. Could you please review and merge it @v1v? 🙏

[elasticmachine]

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[v1v]

/package