chore: update IAVL (backport #14830)

[mergify]

This is an automatic backport of pull request #14830 done by Mergify.
Cherry-pick of 20e857f has failed:

On branch mergify/bp/release/v0.46.x/pr-14830
Your branch is up to date with 'origin/release/v0.46.x'.

You are currently cherry-picking commit 20e857f33.
  (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:   store/iavl/store.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   cosmovisor/go.sum
	both modified:   go.mod
	both modified:   go.sum
	deleted by us:   simapp/go.mod
	deleted by us:   tests/go.mod
	deleted by us:   tests/go.sum

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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