WIP: Support for Rocky Linux 9

[archups]

What this PR does / why we need it:
Support Rocky Linux 9 on AWS, DigitalOcean and Equinixmetal.

Which issue(s) this PR fixes:

Fixes #

What type of PR is this?
/kind feature

Special notes for your reviewer:

Does this PR introduce a user-facing change? Then add your Release Note here:

Support rockylinux in AWS, DigitalOcean and Equinixmetal

Documentation:

NONE

[kubermatic-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[kubermatic-bot]

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

Test name	Commit	Details	Required	Rerun command
pull-machine-controller-e2e-equinix-metal	13b90a7	link	false	/test pull-machine-controller-e2e-equinix-metal

Full PR test history

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