chore: bump ibc to 8.5.0 (backport #4341)

[mergify]

Closes: #4318

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This is an automatic backport of pull request #4341 done by Mergify.

[mergify]

Cherry-pick of 0568145 has failed:

On branch mergify/bp/release/v28.x.y/pr-4341
Your branch is up to date with 'origin/release/v28.x.y'.

You are currently cherry-picking commit 05681456.
  (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:   changelog.md

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   ignite/templates/app/files/go.mod.plush

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