ansible: add support for bastion hosts when running authorized_key

[davidumea]

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What does this PR do / why do we need this PR?

Add support for running authorized_key playbook when using bastion hosts.

• Fixes #

Information to reviewers

Checklist

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• Change checks:
  • The change is transparent
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  • The metrics names did change (Grafana dashboards and Prometheus alerts were fixed)
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• Pod Security Policy checks:
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