deps: bump Cosmos SDK to tip of release/v0.50.x (backport #4976)

[mergify]

This is an automatic backport of pull request #4976 done by Mergify.
Cherry-pick of f6594f6 has failed:

On branch mergify/bp/release/v8.0.x/pr-4976
Your branch is up to date with 'origin/release/v8.0.x'.

You are currently cherry-picking commit f6594f61.
  (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:   modules/apps/callbacks/testing/simapp/app.go
	modified:   modules/light-clients/06-solomachine/module.go
	modified:   modules/light-clients/07-tendermint/module.go
	modified:   testing/mock/mock.go
	modified:   testing/simapp/app.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   e2e/go.mod
	both modified:   e2e/go.sum
	both modified:   go.mod
	both modified:   go.sum
	both modified:   modules/apps/callbacks/go.mod
	both modified:   modules/apps/callbacks/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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[damiannolan]

Thanks for handling conflicts @crodriguezvega :)