3.13.x: upgrade Redbug to 2.1.0 (backport #12484)

[mergify]

The PR is by @SimonUnge.

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This is an automatic backport of pull request #12484 done by Mergify.

[mergify]

Cherry-pick of c348501 has failed:

On branch mergify/bp/v3.13.x/pr-12484
Your branch is up to date with 'origin/v3.13.x'.

You are currently cherry-picking commit c348501db2.
  (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:   MODULE.bazel
	modified:   bazel/BUILD.redbug

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   rabbitmq-components.mk

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