Update images used for testing an airgapped CKF 1.9 deployment

[mvlassis]

Context

The images are manually retrieved in scripts/airgapped/get-all-images.sh, and specifically in these lines. They should be updated for CKF 1.9.

What needs to get done

• Look at the each of the images retrieved manually in get-all-images.sh
• Investigate whether they should be updated for the new version of Kubeflow, and update if necessary

Definition of Done

The get-all-images.sh script successfully retrieves updated images for testing the airgapped CKF 1.9 deployment.

[syncronize-issues-to-jira]

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The internal ticket has been created: https://warthogs.atlassian.net/browse/KF-6200.

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[kimwnasptd]

@mvlassis small note, could you also update the different places in READMEs to include 1.9?

We discussed with @NohaIhab also as part of my refactoring PR of the image gathering script
#1038 (comment)

[kimwnasptd]

Also, the file structure for how the script is going to get dynamic images will change as part of #1038 (comment)

So the next step to track in this issue will be where to put the files for the 1.9 release, by mirroring what we'll do for 1.8 as part of #1038