Backport of docs: Reference doc updates for permissive mTLS settings into release/1.16.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #17371 to be assessed for backporting due to the inclusion of the label backport/1.16.

🚨

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:
@pglass
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: "efa997c54dd335e9c544088ba20099997963388c", automatic backport requires rebase workflow

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

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Description

This updates the documentation with the new settings for permissive mTLS:

• New fields in config entries
• Filtering support for config entries

Links

• Permissive mTLS #17035
• Permissive mTLS: Config entry filtering and CLI warnings [OSS] #17183

PR Checklist

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

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Overview of commits

• 1602c99 - 132c6ee - 5e64b93 - efa997c - 83a7b3f

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

Auto approved Consul Bot automated PR