…able (backport cometbft#2021) (cometbft#2030)

This is an automatic backport of pull request cometbft#2021 done by
[Mergify](https://mergify.com).
Cherry-pick of ce6d2fb has failed:
```
On branch mergify/bp/v0.38.x/pr-2021
Your branch is up to date with 'origin/v0.38.x'.

You are currently cherry-picking commit ce6d2fb.
  (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:
	new file:   .changelog/unreleased/bug-fixes/642-clist-mempool-data-races.md

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   mempool/clist_mempool.go
	both modified:   mempool/clist_mempool_test.go

```


To fix up this pull request, you can check it out locally. See
documentation:
https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---


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---------

Co-authored-by: Hernán Vanzetto <15466498+hvanz@users.noreply.github.com>
Co-authored-by: hvanz <hernan.vanzetto@gmail.com>