Make it possible to set some cluster metadata besides the name using tags (backport #12659)

Proposed Changes

Implements #12552. Closes #12552.

Types of Changes

What types of changes does your code introduce to this project? Put an x in the boxes that apply

[ ] Bug fix (non-breaking change which fixes issue #NNNN)
[x] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause an observable behavior change in existing systems)
[ ] Documentation improvements (corrections, new content, etc)
[ ] Cosmetic change (whitespace, formatting, etc)
[ ] Build system and/or CI

Checklist

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[x] I have read the CONTRIBUTING.md document
[x] I have signed the CA (see https://cla.pivotal.io/sign/rabbitmq)
[x] I have added tests that prove my fix is effective or that my feature works
[x] All tests pass locally with my changes
[x] If relevant, I have added necessary documentation to https://github.com/rabbitmq/rabbitmq-website
[x] If relevant, I have added this change to the first version(s) in release-notes that I expect to introduce it

Further Comments

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This is an automatic backport of pull request #12659 done by Mergify.

Cherry-pick of f5ef64ad06a084998394ccd86f1c295472bcd548 has failed:

On branch mergify/bp/v4.0.x/pr-12659
Your branch is up to date with 'origin/v4.0.x'.

You are currently cherry-picking commit f5ef64ad06.
  (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/rabbitmq_cli/lib/rabbitmq/cli/ctl/commands/cluster_status_command.ex
    modified:   deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl

Unmerged paths:
  (use "git add <file>..." to mark resolution)
    both modified:   deps/rabbitmq_management/test/rabbit_mgmt_http_SUITE.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

rabbitmq / rabbitmq-server