Backport of docs: 1.18.x cleanup into release/1.18.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #20759 to be assessed for backporting due to the inclusion of the label backport/1.18.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
you will see a blank no-op commit below. If at least one commit succeeded, you
will see the cherry-picked commits up to, not including, the commit where
the merge conflict occurred.

The person who merged in the original PR is:
@david-yu
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: unable to process merge commit: "ab9aae92b31abf6bef47a8e340570043d002fa14", automatic backport requires rebase workflow

The below text is copied from the body of the original PR.

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Description

• OpenShift bumps on k8s compat matrix
• Typos on v2 API pages

Testing & Reproduction steps

Links

PR Checklist

• updated test coverage
• external facing docs updated
• appropriate backport labels added
• not a security concern

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Overview of commits

• ea31ffa - 726b2db - ab9aae9 - da2a91b - 28c5f42 - 07abdc5

[github-team-consul-core-pr-approver]

Auto approved Consul Bot automated PR