Update supported client OS's - Windows Server IoT 2019 for Storage and Windows Server IoT 2022 for Storage are not supported client OSs

[lamosley]

Windows Server IoT 2019 for Storage and Windows Server IoT 2022 for Storage are vendor-specific versions of Windows IoT, and can't be tested.

I'm adding explicit entries that they are not supported, but if there is a better way to call this out in the documentation, please suggest.

[prmerger-automator[bot]]

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[learn-build-service-prod[bot]]

Learn Build status updates of commit fd9d079:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
memdocs/configmgr/core/plan-design/configs/supported-operating-systems-for-clients-and-devices.md	:white_check_mark:Succeeded

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[dougeby]

Looks ok. Approving. #sign-off

[prmerger-automator[bot]]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @Baladelli