support for Oracle Linux

[jserviceorg]

Which issue(s) this PR fixes:
Fixes #

This adds Oracle Linux support for on premise installations. Oracle Linux is basically just another RHEL clone like Rocky.

What type of PR is this?
/kind feature

Special notes for your reviewer:

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Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[kubermatic-bot]

@jserviceorg: Adding the "do-not-merge/docs-needed" label because no documentation block was detected, please follow our documentation process to remove it.

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[kubermatic-bot]

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[kubermatic-bot]

Hi @jserviceorg. Thanks for your PR.

I'm waiting for a kubermatic member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[kron4eg]

@jserviceorg thank you for your efforts!

Before we can proceed on this, please take a look at the https://github.com/kubermatic/kubeone/blob/main/docs/adding_provider_support.md, especially Prerequisites section. Please keep in mind, this doc has been written prior we even had an idea about OSM that we are currently using. I mean, besides integrating to machine-controller you will also need an OperatingSystemProfile object integrated in OSM project.

Once MC and OSM has support for new OS, then and only then we can integrate it to Kubeone.