[8.8] [CNVM] Adds notes about CNVM architecture support (backport #5340)

[mergify]

Fixes #5304. Adds a note with a previously undocumented requirement for the CNVM integration.

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This is an automatic backport of pull request #5340 done by Mergify.

[mergify]

Cherry-pick of d1cd713 has failed:

On branch mergify/bp/8.8/pr-5340
Your branch is up to date with 'origin/8.8'.

You are currently cherry-picking commit d1cd713b.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/cloud-native-security/vuln-management-faq.asciidoc

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   docs/cloud-native-security/vuln-management-get-started.asciidoc

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[benironside]

will fix in a separate PR