Ansieng 5667 - Tests on new OS and Arch

[hrishikj]

Test run - https://semaphore.ci.confluent.io/jobs/968607e5-ad73-42bc-8c94-b3193e0292dc/summary?report_id=63a7566e-bb24-3b6d-a18c-7af5cdce63f5

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Checklist:

• Any variable/code changes have been validated to be backwards compatible (doesn't break upgrade)
• I have added tests that prove my fix is effective or that my feature works
• If required, I have ensured the changes can be discovered by cp-ansible discovery codebase
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[Copilot]

Pull Request Overview

This PR updates Docker container configurations for Molecule tests to address compatibility issues with newer OS and architecture environments. The changes modify Docker configurations to use read-write cgroup mounts and host cgroup namespace mode.

• Updates cgroup volume mounts from read-only to read-write across all molecule test configurations
• Adds cgroupns_mode: host setting to container platform configurations
• Fixes package installation commands in Dockerfiles to use proper flags and tools

Reviewed Changes

Copilot reviewed 67 out of 67 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
molecule/*/molecule.yml	Updates Docker container cgroup mount permissions and namespace mode
molecule/oauth-plain-rhel/verify.yml	Adds verification task for custom JAR preservation
molecule/Dockerfile-rhel-python39.j2	Changes dnf to microdnf for package installation
molecule/Dockerfile-rhel-java17.j2	Adds nodocs flag to microdnf installation
molecule/Dockerfile-oauth.j2	Updates base image and package manager usage

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}