USHIFT-960: Replace RHEL 8 references by RHEL 9 references#1510

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openshift-merge-robot merged 1 commit intoopenshift:mainfrom

ggiguash:rhel9_in_docs

Mar 15, 2023

Commits on Mar 15, 2023

Replace RHEL 8 references by RHEL 9 references (all except getting started instructions)
ggiguash
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