feat: add rhel8 and rhel9 to guest os list

[MindTooth]

What this PR does / why we need it:

Today we only see vsphere-vm.cpu-4.mem-16gb.os-unknown as guest OS name:

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Taken from this list: https://knowledge.broadcom.com/external/article/321876/determine-the-guest-os-from-a-vm-configu.html

Note! RHEL 9 needs compatibility profile 18 or higher.

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

N/A

Special notes for your reviewer:

I also see that setting the type string is only done at discovery. IMHO, it should have been reconciled because you might scale the nodes via vSphere.

https://github.com/kubernetes/cloud-provider-vsphere/blob/a7f0c5c922ebb4925408b185f130f5b66385993e/pkg/cloudprovider/vsphere/nodemanager.go#L367

Release note:

[linux-foundation-easycla[bot]]

The committers listed above are authorized under a signed CLA.

• :white_check_mark: login: MindTooth / name: Birger Johan Nordølum (e0b44443afd56501e830d351df450f9bfecada40)

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[zhanggbj]

/ok-to-test

[MindTooth]

Do you think it will be okay to add rhel10_64Guest also, now that RHEL 10 officially announced? I see that it's added to vSphere yet by VMware, but could be a future proofing.

[MindTooth]

Do you think it will be okay to add rhel10_64Guest also, now that RHEL 10 officially announced? I see that it's added to vSphere yet by VMware, but could be a future proofing.

Support for RHEL 10 is now added to vSphere 9.0.

https://techdocs.broadcom.com/us/en/vmware-cis/vcf/vcf-9-0-and-later/9-0/release-notes/vmware-cloud-foundation-90-release-notes/platform-whats-new/whats-new-vsphere.html#GUID-9bfea8cc-6a54-448f-874f-f8e4f5bbe4ac-en_id-04c8dc53-9df2-4702-92be-0b318a8531d6

https://developer.broadcom.com/xapis/vsphere-web-services-api/latest/vim.vm.GuestOsDescriptor.GuestOsIdentifier.html

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