Introduce per-channel consumers limit (by @illotum, AWS) (backport #10754)

[mergify]

This is #10749 by @illotum with a small addition from me, submitted as a separate PR for the sake of easier backporting.

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This is an automatic backport of pull request #10754 done by Mergify.

[mergify]

Cherry-pick of d7374cb has failed:

On branch mergify/bp/v3.13.x/pr-10754
Your branch is up to date with 'origin/v3.13.x'.

You are currently cherry-picking commit d7374cb244.
  (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:   deps/rabbit/priv/schema/rabbit.schema
	modified:   deps/rabbit/test/config_schema_SUITE_data/rabbit.snippets
	modified:   deps/rabbit/test/per_node_limit_SUITE.erl

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   deps/rabbit/src/rabbit_channel.erl

Cherry-pick of 72317cc has failed:

On branch mergify/bp/v3.13.x/pr-10754
Your branch is ahead of 'origin/v3.13.x' by 1 commit.
  (use "git push" to publish your local commits)

You are currently cherry-picking commit 72317cc1b0.
  (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:   deps/rabbit/priv/schema/rabbit.schema
	modified:   deps/rabbit/test/per_node_limit_SUITE.erl

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   deps/rabbit/src/rabbit_channel.erl

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