[8.x] Updates LLM performance matrix (backport #6268)

[mergify]

Fixes #5950 — updates the LLM performance matrix

Preview: LLM Performance matrix (ESS) (Serverless)

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This is an automatic backport of pull request #6268 done by Mergify.

[mergify]

Cherry-pick of 8e29c53 has failed:

On branch mergify/bp/8.x/pr-6268
Your branch is up to date with 'origin/8.x'.

You are currently cherry-picking commit 8e29c537.
  (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/AI-for-security/llm-performance-matrix.asciidoc

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/serverless/AI-for-security/llm-performance-matrix.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

[github-actions]

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