chore: update to rc2 (backport #3095)

[mergify]

This is an automatic backport of pull request #3095 done by Mergify.
Cherry-pick of 1a204fe has failed:

On branch mergify/bp/release/v7.0.x/pr-3095
Your branch is up to date with 'origin/release/v7.0.x'.

You are currently cherry-picking commit 1a204fed.
  (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:   go.mod
	modified:   go.sum
	modified:   modules/apps/27-interchain-accounts/host/keeper/relay_test.go
	modified:   modules/apps/27-interchain-accounts/module.go
	modified:   modules/apps/27-interchain-accounts/simulation/params.go
	modified:   modules/apps/29-fee/module.go
	modified:   modules/apps/transfer/module.go
	modified:   modules/apps/transfer/simulation/params.go
	modified:   modules/core/module.go
	modified:   testing/simapp/utils.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   e2e/go.mod
	deleted by us:   e2e/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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[chatton]

LGTM