Use label to link to specific action introspection sections (backport #5565)

[mergify]

Follow-up to #5548, see #5548 (comment)

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This is an automatic backport of pull request #5565 done by Mergify.

[mergify]

Cherry-pick of f42056c has failed:

On branch mergify/bp/humble/pr-5565
Your branch is up to date with 'origin/humble'.

You are currently cherry-picking commit f42056c.
  (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:   source/Releases/Release-Kilted-Kaiju.rst
	both modified:   source/Tutorials/Beginner-CLI-Tools/Recording-And-Playing-Back-Data/Recording-And-Playing-Back-Data.rst
	both modified:   source/Tutorials/Beginner-CLI-Tools/Understanding-ROS2-Actions/Understanding-ROS2-Actions.rst

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

[christophebedard]

Just like #5565, we don't want to backport this to Jazzy or Humble