Also need to enable virtproxyd for RHEL9 when installing libvirt (#1635)

[YanhuiMa]

If lacking of virtproxyd in RHEL9, will hit the issue.
#1635

[openshift-ci]

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[openshift-ci]

Hi @YanhuiMa. Thanks for your PR.

I'm waiting for a openshift-metal3 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.

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