Add Noble and Squid testing, prepare Rocky 9 jobs

[cityofships]

Rocky requires some more work to be passing.

[gemini-code-assist]

Summary of Changes

Hello @cityofships, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the continuous integration testing framework by incorporating support for new operating system distributions and a newer Ceph release. It expands the test matrix to include Rocky Linux 9 and Ubuntu Noble, validating Cephadm deployments with both Reef and Squid Ceph releases across different container runtimes. This ensures broader compatibility and stability for future Ceph deployments.

Highlights

• New OS Support: Introduces new Zuul nodesets for Ubuntu Noble (24.04 LTS) and Rocky Linux 9, significantly expanding the range of operating systems available for Cephadm testing.
• Expanded Ceph Release Testing: Adds new test jobs to validate Cephadm deployments on Ubuntu Noble with the 'Squid' Ceph release, and on Rocky Linux 9 with both 'Reef' and 'Squid' Ceph releases.
• Container Engine Coverage: Ensures comprehensive testing by including both Docker and Podman as container engines for the newly added Rocky 9 and Noble test configurations.
• CI Pipeline Integration: Integrates the new test jobs into the 'check' pipeline for both Noble and Rocky 9 configurations, and specifically the Rocky 9 jobs into the 'gate' pipeline, ensuring these new configurations are automatically tested.

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[gemini-code-assist]

Code Review

This pull request adds CI jobs for Rocky 9 and Ubuntu Noble with Ceph Squid and Reef releases. The changes are generally good, but there is significant duplication in the new job and nodeset definitions. I've suggested using Zuul's abstract jobs and YAML anchors to improve maintainability. I also noticed that the new Ubuntu Noble jobs are missing from the gate pipeline, which could be an oversight.