[8.12](backport #3867) Fix formatting in topic about logs explorer

[mergify]

An empty line is required or the bulleted list does not render as expected:

---

This is an automatic backport of pull request #3867 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of eec0eb1 has failed:

On branch mergify/bp/8.12/pr-3867
Your branch is up to date with 'origin/8.12'.

You are currently cherry-picking commit eec0eb1f.
  (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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   docs/en/observability/monitor-logs.asciidoc

no changes added to commit (use "git add" and/or "git commit -a")

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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[dedemorton]

Closing because this should not be backported to 8.12.