chore(types): add MustAccAddressFromBech32 util func (backport #12201)

[mergify]

This is an automatic backport of pull request #12201 done by Mergify.
Cherry-pick of 82e13b1 has failed:

On branch mergify/bp/release/v0.45.x/pr-12201
Your branch is up to date with 'origin/release/v0.45.x'.

You are currently cherry-picking commit 82e13b168.
  (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:   types/address.go
	modified:   types/tx/types.go
	modified:   x/auth/tx/builder.go
	modified:   x/bank/keeper/genesis.go
	modified:   x/bank/keeper/msg_server.go
	modified:   x/bank/simulation/operations.go
	modified:   x/bank/types/balance.go
	modified:   x/distribution/keeper/genesis.go
	modified:   x/gov/keeper/vote.go
	modified:   x/staking/keeper/querier.go
	modified:   x/staking/keeper/slash.go
	modified:   x/staking/keeper/val_state_change.go
	modified:   x/staking/types/delegation.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   CHANGELOG.md
	both modified:   server/rosetta/converter.go
	both modified:   simapp/export.go
	deleted by us:   x/authz/keeper/genesis.go
	both modified:   x/feegrant/simulation/operations.go
	both modified:   x/gov/keeper/deposit.go
	both modified:   x/gov/keeper/msg_server.go
	both modified:   x/gov/keeper/tally.go
	deleted by us:   x/group/msgs.go
	deleted by us:   x/group/types.go
	deleted by us:   x/nft/keeper/genesis.go
	both modified:   x/staking/keeper/delegation.go
	deleted by us:   x/staking/keeper/genesis.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

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com