upgrade to azure linux 3.0

[tmstff]

https://redhat.atlassian.net/browse/ARO-22318

What

Makes sure all components in ARO-HCP use Azure Linux 3.0 (instead of mariner 2.0)

Why

To have a more up to date version with less vulnerabilities

Testing

Unclear, will clarify!

Special notes for your reviewer

To upgrade to AL 3.0 , we need to upgrade postgres from 14 to 16. Will have to verify that this doesn't break anything.

PR Checklist

• PR is scoped to a single task (no mixed concerns)
• Title follows Conventional Commits format
• Summary explains the "Why" behind the change
• Linked to relevant ticket/issue
• Screenshots included (if graph/UI/metrics changes)
• Self-reviewed the diff
• CI/CD checks are passing (ignore Tide)
• Draft PR used for WIP (if applicable)
• Commit history is clean (rebased/squashed)
• Tricky code blocks are commented
• Specific reviewers tagged
• All comment threads resolved before merge

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tmstff
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[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[tmstff]

/test all

[openshift-ci]

@tmstff: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/verify	6d211cf	link	true	/test verify
ci/prow/test-unit	6d211cf	link	true	/test test-unit
ci/prow/config-change-detection	6d211cf	link	true	/test config-change-detection

Full PR test history. Your PR dashboard.

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