Add support for Debian 12+ for OVA and RAW images

[polunox]

Is your feature request related to a problem? Please describe.

Not at all — this is just standard support for a commonly used image in closed environments.

Describe the solution you'd like

Full support and testing for Debian 12+ images.

Describe alternatives you've considered

None.

Additional context

None.

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/kind feature

[jcmontigny]

Dang, I juste created issue #2019 minutes after yours to ask if the project would be interested... I made several modifications locally. However, I have no idea how to proper support tests in cicd.

[polunox]

Dang, I juste created issue #2019 minutes after yours to ask if the project would be interested... I made several modifications locally. However, I have no idea how to proper support tests in cicd.

I recommend closing your feature request and submitting a PR/MR to add Debian image support for OpenStack.