[8.13](backport #4147) Add tags to fix chunking in obs guide

[mergify]

Clean up float tags in advance of bumpting the chunk level to 4.

required before merging elastic/docs#3045.

---

This is an automatic backport of pull request #4147 done by Mergify.

[mergify]

Cherry-pick of 048c755 has failed:

On branch mergify/bp/8.13/pr-4147
Your branch is up to date with 'origin/8.13'.

You are currently cherry-picking commit 048c755d.
  (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/en/observability/apm/configure/outputs/console.asciidoc
	modified:   docs/en/observability/apm/configure/outputs/elasticsearch.asciidoc
	modified:   docs/en/observability/apm/configure/outputs/kafka.asciidoc
	modified:   docs/en/observability/apm/configure/outputs/logstash.asciidoc
	modified:   docs/en/observability/apm/configure/outputs/output-cloud.asciidoc
	modified:   docs/en/observability/apm/configure/outputs/redis.asciidoc

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/en/observability/apm-ui/api.asciidoc
	both modified:   docs/en/observability/apm/sampling.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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